The Staircase Netflix Cast includes:
Colin Firth as Michael Peterson
![](https://i0.wp.com/bestmoviesonnetflixrightnow.com/wp-content/uploads/2022/06/image-56.png?resize=228%2C223)
Colin Andrew Firth CBE is an English actor.
Age | 61 years |
Height | 1.87 m |
Toni Collette as Kathleen
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Toni Collette Galafassi is an Australian actress, producer, singer, and songwriter.
Age | 49 years |
Height | 1.73 m |
Spouse | Dave Galafassi |
Michael Stuhlbarg as David Rudolf
![](https://i0.wp.com/bestmoviesonnetflixrightnow.com/wp-content/uploads/2022/06/image-58.png?resize=225%2C237)
Michael Stewart Stuhlbarg is an American actor.
Age | 53 years |
Spouse | Mai-Linh Lofgren |
Patrick Schwarzenegger as Todd Peterson
![](https://i0.wp.com/bestmoviesonnetflixrightnow.com/wp-content/uploads/2022/06/image-59.png?resize=214%2C255)
Patrick Arnold Shriver Schwarzenegger is an American actor and model.
Age | 28 years |
Height | 1.85 m |
patrickschwarzenegger |
Sophie Turner as Margaret Ratliff
![](https://i0.wp.com/bestmoviesonnetflixrightnow.com/wp-content/uploads/2022/06/image-60.png?resize=230%2C212)
Sophie Belinda Jonas is an English actress.
Age | 26 years |
Height | 1.75 m |
Spouse | Joe Jonas |
sophiet |
Odessa Young as Martha Ratliff
![](https://i0.wp.com/bestmoviesonnetflixrightnow.com/wp-content/uploads/2022/06/image-61.png?resize=239%2C201)
Odessa Young is an Australian actress.
Age | 24 years |