Cast of The Staircase

Meet the talented cast of The Staircase. From main characters to supporting roles, discover the actors who bring this show to life.

Starring: Colin Firth as Michael Peterson, Toni Collette as Kathleen Peterson, Michael Stuhlbarg as David Rudolf, Dane DeHaan as Clayton Peterson, Olivia DeJonge as Caitlin Atwater, Patrick Schwarzenegger as Todd Peterson, Sophie Turner as Margaret Ratliff, Odessa Young as Martha Ratliff, Rosemarie DeWitt as Candace Zamperini, Tim Guinee as Bill Peterson