Cast of Dead Ringers

Jeremy Irons portrays the dual roles of Beverly and Elliot Mantle, the identical twin gynecologists at the center of the film.

Geneviève Bujold plays Claire Niveau, a famous actress and love interest of one of the Mantle twins.

Heidi von Palleske takes on the role of Cary, a patient of the Mantle twins who becomes involved in their complex relationship.

Barbara Gordon portrays Danuta, another patient of the Mantle twins who plays a significant role in their lives.

Shirley Douglas plays Laura, a colleague of the Mantle twins who is caught up in their unraveling lives.

Stephen Lack portrays Wolleck / Anders Wolleck, a patient of the Mantle twins who adds to the layers of the story.

Nick Nichols takes on the role of Leo, a character who interacts with the Mantle twins during their descent into darkness.

Lynne Cormack portrays Arlene, a character whose presence influences the lives of the Mantle twins.

Damir Andrei plays Birchall, a supporting character in the film who becomes entangled in the twins' turbulent relationship.

Miriam Newhouse portrays Mrs. Bookman, a character connected to the world of the Mantle twins.

David Hughes takes on the role of the Superintendent, a character who becomes involved in the aftermath of the twins' actions.

Richard W. Farrell plays the Dean of Medicine, a character who represents the authority figures in the twins' professional world.