Vivien Leigh as Mary Treadwell

Simone Signoret as La Condesa

José Ferrer as Rieber

Lee Marvin as Tenny

Oskar Werner as Dr. Schumann

Elizabeth Ashley as Jenny

George Segal as David

José Greco as Pepe

Michael Dunn as Glocken

Charles Korvin as Capt. Thiele

Heinz Rühmann as Lowenthal

Lilia Skala as Frau Hutten

BarBara Luna as Amparo

Christiane Schmidtmer as Lizzi

Alf Kjellin as Freytag

Werner Klemperer as Lt. Huebner

John Wengraf as Graf

Olga Fabian as Frau Schmitt

Gila Golan as Elsa

Oscar Beregi Jr. as Lutz

Stanley Adams as Hutten

Kaaren Verne as Frau Lutz

Charles De Vries as Johann

Lydia Torea as Pastora

Henry Calvin as Fat Man

Paul Daniel as Carlos

David Renard as Woodcarver

Rudy Carrela as Ric

Silvia Marino as Rac

Anthony Brand as Guitarist

Leon Alton as Ship Passenger (uncredited)

John Alvar as Student (uncredited)

Antonio 'el Bailarín' as Gypsy Dancer (uncredited)

Eddie Baker as Prizak (uncredited)

Mushy Callahan as Ship Passenger (uncredited)