Cast of The Rainmaker TV Series (2025) Full Cast List

John Grisham’s legal thrillers keep finding new life on screen, and The Rainmaker is the latest to move from film to television. This 2025 adaptation spreads the drama across a full ensemble on USA Network and Peacock, with Milo Callaghan as Rudy Baylor and John Slattery and Lana Parrilla among the veterans circling the case.

Episodes: 10 ·
Premiere: August 15, 2025, 10 p.m. ET/PT (The Futon Critic (TV industry listings)) ·
Lead actor: Milo Callaghan ·
Based on: John Grisham’s 1995 novel

Eight billed cast members, one pattern: the series bets on ensemble depth instead of a single movie star.

Who stars in The Rainmaker TV series?

The billing block reads like a casting director’s wish list: a relative newcomer in the lead, two TV veterans circling him, and a character-actor bench filling out the courtroom.

Main cast — Milo Callaghan as Rudy Baylor

• Milo Callaghan stars as Rudy Baylor, the lead protagonist — per Rotten Tomatoes (review aggregator)
• The role puts Callaghan in the part Matt Damon played in the 1997 film

Callaghan is the anchor of the adaptation. The choice to cast a less-famous actor in the lead rather than a bankable movie star signals that the series wants viewers to discover the character alongside the performer.

Key supporting cast — Lana Parrilla, Madison Iseman, P.J. Byrne, John Slattery

• Lana Parrilla plays Jocelyn “Bruiser” Stone (Rotten Tomatoes (review aggregator))
• John Slattery plays Leo F. Drummond — same source as above
• Madison Iseman plays Sarah, and P.J. Byrne plays Deck Shifflet (Peacock (official series blog))

Parrilla arrives with genre credibility from Once Upon a Time; Slattery brings the Mad Men gravitas that made him a shorthand for mid-century power. Both are cast against the type of roles that made them famous, a signal that the show wants familiar faces in unfamiliar postures.

The implication: the series deliberately avoids typecasting its veterans, forcing the audience to see them anew.

Recurring and guest cast

• Dan Fogler, Wade Briggs, and Robyn Cara are part of the main cast (CBR (entertainment news))
• TV Guide’s cast page adds roles for Brad Noonan and several additional characters beyond the main billing block (TV Guide (cast listings))

The network hasn’t published a full guest list, which means the weekly rollout will keep revealing names. TV Guide’s page is already the best map for who appears where.

The implication: this is an ensemble-sized adaptation, not a two-hour star vehicle. The film gave the story one hero; the series spreads the case across a roster.

How many episodes does The Rainmaker have?

The short answer comes from the network itself: 10 hours of television.

Episode count confirmed

• USA Network’s preview puts the season at 10 episodes, each running about an hour (USA Network (series preview))

That’s a deliberately compact run. It’s longer than a miniseries and shorter than a 22-episode network order, with enough space to develop the case without padding the story.

Release schedule — weekly or binge?

• Each episode moves to Peacock one week after its USA Network premiere
• International viewers get different windows: Canada and Australia availability began August 16, with Crave in Canada starting August 17 (CinemaBlend (streaming news))

So this is a hybrid rollout, not a full-season binge drop. Peacock subscribers get each episode seven days after the linear premiere, a cadence that keeps the cast in the conversation for the whole run.

The trade-off: you can watch the premiere on USA Network the night it airs, but the complete season is a Peacock play.

Will there be a season 2 of The Rainmaker?

The honest answer: nothing has been decided publicly.

Renewal status — no official announcement yet

• No second-season order had been announced as the premiere window opened
• CBR called The Rainmaker Peacock’s Suits replacement and reported a strong opening audience for season 1 (CBR (entertainment news))

Networks usually wait for the full-season picture before making a call. With 10 episodes spread over 10 weeks, Peacock has time to measure both linear viewership on USA and delayed streaming on its own platform.

Potential cast for a second season if renewed

• No second-season casting has been announced
• If the series returns, the core trio of Callaghan, Parrilla, and Slattery would be the natural anchors

The guest and recurring cast is the likelier place for change. Networks often keep the main ensemble and rotate the courtroom around them.

The catch: a big debut gets attention, but the renewal math depends on whether the weekly cadence holds viewers through episode 10.

Where can I watch The Rainmaker TV series?

The series lives on NBCUniversal’s own platforms, which answers most “where can I watch this?” questions in one sentence.

Peacock is the exclusive streaming home

• Peacock is the official streaming destination for the series (Peacock (official series blog))
• Episodes arrive on Peacock one week after their USA Network premiere (USA Network (broadcast home))

If you’re in the US, the route is straightforward: USA Network for the linear premiere, Peacock for the streaming copy.

For additional cast details and character breakdowns, see the full roster on our The Rainmaker cast page.

Why it’s not on Netflix, Amazon Prime, or Hulu

• Because The Rainmaker is a Peacock original, it won’t appear on Netflix, Hulu, or Amazon Prime
• Viewers searching those platforms will not find it in their catalogs

This is less a snub and more a business decision: NBCUniversal is using Grisham’s brand to build out Peacock’s library rather than licensing it to a competitor.

How to watch for free – Peacock free trial offers

• The premiere airs on USA Network on August 15 at 10 p.m. ET/PT, which is a free linear option for viewers with access to the channel
• Viewers can subscribe to Peacock, or use a free trial when one is offered, to stream the season

What this means: for US viewers, the choice is between watching live on USA or waiting a week on Peacock. There is no same-day streaming option.

Where was The Rainmaker filmed?

This is the one question the official materials leave mostly open.

Primary filming location: Ireland

• Production reports during development placed the series in Ireland for its main shoot
• Milo Callaghan, who leads the cast, is from Ireland
• Neither USA Network’s preview nor Peacock’s announcement includes a detailed location list

For now, “filmed in Ireland” is as specific as the record gets, and the network hasn’t published a full location map. That may change as the season rolls out and more production details surface.

Other locations used

• No verified list of additional Irish or international filming locations has been published by the network

The absence of an official location list isn’t unusual for a network drama, but it leaves a genuine gap for fans who like to track shooting sites.

The catch: until the network publishes a production map, “filmed in Ireland” is as specific as the record gets.

The Rainmaker timeline: from novel to premiere

Nearly three decades separate the novel from this series, but the adaptation has been moving fast since it entered production.

• 1995 — John Grisham publishes the novel The Rainmaker (Peacock (official series blog))
• 1997 — The first film adaptation, starring Matt Damon as Rudy Baylor, reaches theaters — same source details the novel-to-film arc
• 2024 — Production gets underway; early reports point to Ireland as a filming base
• August 15, 2025 — The series premieres on USA Network at 10 p.m. ET/PT (Blumhouse (production company))
• One week later — Episode 1 lands on Peacock, with each episode following the same cadence
• Post-premiere — The season-2 decision becomes the next open question

The implication: the story took nearly three decades to outgrow a two-hour film, and the series is the first version long enough to let the whole cast breathe.

What’s confirmed and what’s still unclear

The official announcements settled the big questions; the loose ends are mostly about what comes next.

Confirmed facts

• Milo Callaghan stars as Rudy Baylor — Rotten Tomatoes (review aggregator)
• Lana Parrilla plays Jocelyn “Bruiser” Stone; John Slattery plays Leo F. Drummond — same source
• Madison Iseman plays Sarah; P.J. Byrne plays Deck Shifflet — Peacock (official series blog)
• The season runs 10 episodes of about an hour each — USA Network (series preview)
• The premiere is August 15, 2025, at 10 p.m. ET/PT on USA Network — The Futon Critic
• Episodes stream on Peacock one week after their USA Network airings — USA Network (broadcast home)

What’s unclear

• Whether Peacock will renew the series for a second season
• The exact roles of Dan Fogler, Wade Briggs, and Robyn Cara, who were announced as cast members without character details
• The full guest-cast list beyond the main billing and TV Guide’s extended roster
• Whether the reported Ireland filming locations will ever be officially detailed
• Milo Callaghan’s exact age, which is not stated in the official materials
• Whether a free viewing option beyond the USA Network premiere will be offered outside trial terms
• Whether the cast will expand if a second season is ordered

The pattern: the cast is the most documented part of the rollout; everything after episode 10 is still unwritten.

What the official announcements say

Two statements anchor the entire rollout — one about the story, one about the schedule.

The Rainmaker premieres on USA Network on August 15 at 10 p.m. ET/PT, with episodes streaming on Peacock one week after their first USA Network airings.

USA Network (broadcast home)

Canada and Australia availability began August 16, 2025, with Crave in Canada following on August 17, 2025.

CinemaBlend (streaming news)

The pattern: the official line is heavy on launch logistics and light on what happens after episode 10.

As the first season rolls out, the question isn’t whether the cast delivers — it’s whether a 10-episode run turns a promising debut into a franchise. For Peacock, the decision is clear: renew the ensemble while interest is high, or watch a strong Grisham revival close its case after a single season.

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