‘Castle’ Cast: Where Are They Now?

Castle Cast

Since the end of the show in 2016, the Castle cast has gone on to explore many new roles. Some have stayed with the cop show theme, and others have moved on to major films. Others have done voice-over work for video games or podcasts. 

If you don’t remember the show, Castle followed a famous mystery writer, Richard Castle, as he became involved with the NYPD’s 12th precinct. A copycat killer uses his books as inspiration for murder and he has to work with Detective Kate Beckett to solve the case. While she at first protests his involvement, he uses her as inspiration for a new character, Nikki Heat. As he shadows her, they slowly start to connect and eventually become lovers. 

So here’s what’s happening with each of the main characters of the Castle cast since the show got canceled.

The Cast of Castle

Nathan Fillion
Photo Credit: DFree

Nathan Fillion

Richard Castle

Nathan Fillion, the actor behind the show’s titular character, is perhaps the busiest of the Castle cast. Before he starred in Castle, he was best known for his role in the cult-following fan-favorite Firefly as Captain Malcolm Reynolds.

So what has he been up to since 2016? When Castle wrapped, he also finished recording the voice of Preston Northwest for the Disney animated show Gravity Falls. His other voiceover work since 2016 includes Cars 3, Rick and Morty, Big Mouth, Reign of the Supermen, and video games Destiny 2, Con Man: The Game, and Starfinder. His television shows include Santa Clarita Diet as Gary, Con Man as Jack Moore, A Series of Unfortunate Events as Jacques Snicket, Modern Family as Rainer Shine, and The Venture Bros. as Brown Widow. He starred as T.D.K in The Suicide Squad. In 2022, you’ll see him as John Nolan in The Rookie, 42 / Octopus in Resident Alien, and various roles in Robot Chicken. 

And fans of Brooklyn Nine-Nine should have recognized his swaggering mug in his Season 4 Episode 14 cameo on Serve & Protect. He played an actor named Mark Devereaux playing a detective on a cop show within the cop show. It felt like a humorous homage to his work on Castle.

Stana Katic
Photo Credit: Featureflash Photo Agency

Stana Katic

Detective Katherine ‘Kate’ Beckett

Stana Katic played the female lead in Castle, a strong detective that eventually fell for Richard Castle. As the show wrapped up in 2016, she had a TV movie called Sister Cities air where she played Carolina. The Rendezvous also premiered in 2016, where she played Rachel Rozman. She’s only been in one TV show since Castle, which was Absentia as Emily Byrne. She had her fair share of movies in addition to The Rendezvous and Sister Cities: Lost in Florence, The Possession of Hannah Grace, A Call to Spy, and Justice Society: World War II where she voiced Wonder Woman.

Jon Huertas
Photo Credit: DFree

Jon Huertas 

Detective Javier Esposito

When Castle ended in 2016, Jon Huertas moved along to an even more successful TV series. He plays the role of Miguel Rivas on This Is Us. While filming for the show, he played minor roles in other TV series like Con Man (with Nathan Fillion), Elementary, and The Rookie. He has a couple short films, and his movies include Altered Perception, Imprisoned, Initiation, and Prisoner’s Daughter, which is in post-production.

Seamus Dever 

Detective Kevin Ryan

Seamus Dever has stuck mostly to TV shows, but he has Invitation to a Murder and The Extraordinary Farewell in post-production. His TV shows include Legion, Take Two, MacGyver, Titans, The Rookie (with Nathan Fillion), and NCIS: Los Angeles.

Tamala Jones
Photo Credit: Alex Millauer

Tamala Jones

Medical Examiner Dr. Lanie Parish

Like Seamus Dever, Tamala Jones has also done a lot of TV work since Castle ended. She’s appeared in Rebel, Speechless, SEAL Team, L.A.’s Finest, a different show named Rebel, 9-1-1: Lone Star, and The Rookie with other Castle cast members Nathan Fillion, Seamus Dever, Jon Huertas and Molly Quinn.

Ruben Santiago-Hudson

Captain Roy Montgomery

Since Ruben Santiago-Hudson left the Castle cast in 2014, he’s had more time to rack up more material on his resume. The year he left, he appeared in Selma as civil rights activist Bayard Rustin. He’s also chosen to stick mostly with TV shows. His series include The Good Wife, Public Morals, The Family, Designated Survivor, The Quad, Billions, David Makes Man, and East New York which is currently filming. 

Molly Quinn
Photo Credit: DFree

Molly Quinn

Alexis Castle

After playing Alexis Castle, Molly Quinn has done everything from podcasts to movies, to TV shows to shorts to video games, and even a rap battle as Hermione in Princess Rap Battle. 

She’s played Molly Quinn in Guardians of the Galaxy Vol. 2, Marisa in The Last Rampage, Valerie in Newly Single, Mrs. Grady in Doctor Sleep, Mary in Agnes, and Denise in Ways & Means. She’s appeared on the Hoot Gibson: Vegas Cowboy and Welcome to Night Vale podcasts. 

And of course, she’s also appeared in The Rookie with other Castle cast members. 

Susan Sullivan

Martha Rodgers

Susan Sullivan also chose to stick with mostly TV shows. She’s worked on The Real O’Neals, The Kominsky Method, Big Hero 6: The Series, Last Man Standing, and Smartphone Theatre. She has a few projects on the horizon, including Diary of a Spy, The Drop, and The Grotto. 

Penny Johnson Jerald
Photo Credit: Kathy Hutchins

Penny Johnson Jerald

Captain Victoria Gates

Like Ruben Santiago-Hudson, Penny Johnson Jerald left the Castle cast early. Since leaving in 2015, she’s been in a few shorts, including Justice League: Gods and Monsters Chronicles, and Celeste’s Dreams. For movies, she’s been in Media as Jackie Jones, Parker’s Anchor as Laurie, and The Lion King as Sarafina. Her most permanent role is Dr. Claire Finn on the TV series The Orville. 

The Castle Cast: What’s Next

So many of the Castle cast have such bright careers, not just Nathan Fillion and Stana Katic (Castle and Beckett). Did any of these careers surprise you? Which cast member do you think has worked on the most interesting projects? What fan-favorite character do you wish had more material produced? Let us know in the comments!

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