Cast of The Monkey

Last Modified Feb 25, 2025 06:03 EST
Cast of The Monkey
The Monkey (Source: Screengrab from the trailer)


The American comedy horror film The Monkey is based on the 1980 short story by Stephen King. Osgood Perkins is the writer and director of the movie adaptation. The story revolves around twin brothers whose lives are totally disrupted by a toy monkey that has been cursed and is causing gruesome deaths all around them.


The film features Theo James, Tatiana Maslany, Christian Convery, Colin O'Brien, Rohan Campbell, etc. It was released in theaters in the United States by Neon on February 21, 2025.


The main cast of The Monkey


Theo James as Hal and Bill Shelburn


Cast of The Monkey
Theo James as Hal and Bill Shelburn (Source: Screengrab from the trailer)


The British actor Theodore Peter James Kinnaird Taptiklis, known professionally as Theo James, plays the twins Hal and Bill in the film. Christian Convery portrays young Hal and Bill.


James became well-known for his role as Tobias Eaton in The Divergent series. He appeared in the science fiction movie Archive (2020), as well as the horror movies Underworld: Awakening (2012) and Underworld: Blood Wars (2016).


Tatiana Maslany as Lois Shelburn


Cast of The Monkey
Tatiana Maslany (Source: Tatiana Maslany's Instagram)


The Canadian actress Tatiana Maslay plays Lois Shelburn, Hal and Bill’s mother in the film.


Tatiana Gabriele Maslany became well-known for her roles in the science-fiction thriller television series Orphan Black (2013–2017). She received five Canadian Screen Awards (2014–2018) and a Primetime Emmy Award (2016) for her work on the show. Maslany's performance in a Canadian series earned her the first Emmy in a major dramatic category.


Colin O'Brien as Petey


Cast of The Monkey
Colin O'Brien as Petey (Source: Screengrab from the trailer)


The American actor Colin O’Brien plays Petey, Hal’s son in the film.


Colin O'Brien's breakthrough performance was as the main character in the Dear Edward television series on Apple TV+. He was nominated for a Young Artist Award for Best Performance in a Streaming Series: Leading Youth Artist for his portrayal of Edward.


Additional cast of The Monkey


Following are the additional cast and characters in the film:


Serial no.CharacterPlayed by
1RickyRohan Campbell
2Ida, Hal and Bill's auntSarah Levy
3Capt. Petey Shelburn, Hal and Bill's absent fatherAdam Scott
4Ted Hammerman, the new husband of Hal's ex-wifeElijah Wood
5Chip, Hal and Bill's uncleOsgood Perkins
6Barbara, a real estate agentTess Degenstein
7Annie Wilkes, Hal and Bill's babysitterDanica Dreyer
8Hal's ex-wife and Petey's motherLaura Mennell
9Rookie PriestNicco Del Rio


FAQs about The Monkey

A. The Monkey released theatrically on February 21, 2025 in the United States. It will eventually be available to stream on Hulu or Netflix.

A. The 2025 American comedy horror film The Monkey is based on the 1980 short story by Stephen King. 

A. Theo James is the main character in The Monkey. He portrays twins Hal and Bill in the film.

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