FX’s Witness Protection pilot adds Finn Wittrock and Ashley Thomas as series regulars

The upcoming FX drama pilot Witness Protection has cast Finn Wittrock and Ashley Thomas as its series regulars in lead roles alongside Alison Brie.

According to an exclusive report by Deadline, the series, a contemporary reinterpretation of an unproduced script by David Chase, is being developed by writers and executive producers Hannah Fidell and Gina Welch. The news source further states that Wittrock will play Remy's (Brie’s character) sophisticated yet exploitative former business partner. His complicated dynamic with Remy contributes tension and interest to the story.

In addition, Thomas portrays the role of tough yet sympathetic FBI handler, Isaac, for Remy. He plays a crucial role in navigating the complexities of the witness protection program as he protects Remy.

These roles will be part of Alison Brie's main character, a D.C. madam who ends up in the witness protection program with her teenage daughter in seaside Maine.

More on Finn Wittrock and Ashley Thomas as they join the Witness Protection

Finn Wittrock is an accomplished American actor celebrated for his diverse film and television appearances. He first rose to prominence for All My Children, where he portrayed Damon Miller. Wittrock was popularized by working under Ryan Murphy when he appeared in multiple seasons of American Horror Story with notable roles like Dandy Mott in Freak Show and as Tristan Duffy in Hotel.

Wittrock received Primetime Emmy nominations for appearances on American Horror Story and The Assassination of Gianni Versace: American Crime Story, where he played Jeffrey Trail. Some other notable projects encompass film appearances in The Normal Heart, Noah, Unbroken, The Big Short, and La La Land. Wittrock keeps on working on various roles in television series as well as film productions, with recent appearances on television series such as Ratched and a film titled Don't Move.

On the other hand, Ashley Thomas is a British actor whose film record spans dramatic films as well as TV appearances. He began with film appearances in Shank, The Veteran, and The Man Inside.

Thomas has also gained recognition for TV appearances in the comedically adventurous Cockneys vs Zombies as well as the critically acclaimed My Brother the Devil. In TV appearances, he appeared in the BBC series The Interceptor as well as recent credits in TV series such as Fox's 24: Legacy. Some more highlights encompass dramas such as Brotherhood, as well as 100 Streets. Thomas has gained a reputation for bringing nuance to his dramatic performances as well as consistently working in the UK and foreign productions.

What do we know about Witness Protection so far?

The show is an adaptation of an unproduced script by David Chase, creator of The Sopranos. Chase was originally attached as co-creator and executive producer but has now left due to scheduling issues, as per Variety. Hannah Fidell and Gina Welch are executive producers/writers as well as co-showrunners, with Fidell also serving as director on the pilot.

Deadline describes the upcoming show as:

“In the Untitled Witness Protection pilot, a violent confrontation drives a high-end D.C. madam, Remy (Brie), to turn on her partner and enter witness protection in seaside Maine with her adolescent daughter.”

Trending

Meanwhile, additional cast members confirmed as of September 2025 include Pablo Schreiber, Zoë Chao, Jamie Neumann, Antonella Rose, and Aidan Gillen. The pilot is currently in production in Maine coast locations.

No release date has been set yet.

×

Was this article helpful?

Thank You for feedback