George Segal

Billy

Carol Alt

Alice

Doris von Thury

Billy's wife

Mattia Sbragia

Capone

David Brandon

Nazi officer

Christina Engelhardt

Nazi officer's lover

Stefano Masciarelli

Police commissioner

Birte Berg

Psychoanalyst

Valeria Marini

Hal Yamanouchi

Edmund Purdom

Gianfranco Barra

Mario Pedone