Carnage— Full Cast

Jodie Foster

as Penelope Longstreet

Kate Winslet

as Nancy Cowan

Christoph Waltz

as Alan Cowan

John C. Reilly

as Michael Longstreet

Elvis Polanski

as Zachary Cowan

Eliot Berger

as Ethan Longstreet

Joseph Rezwin

as Walter (voice)

Nathan Rippy

as Dennis (voice)

Tanya Lopert

as Michael's Mother (voice)

Julie Adams

as Secretary (voice)

Lexie Kendrick

as Jogger (voice) (uncredited)

Roman Polanski

as Neighbor