Sophie Malraux

Jean Simmons

Acting

Maj. David Somers

Trevor Howard

Acting

Jess Fenton

Sonia Dresdel

Acting

Nicholas Fenton

Barry Jones

Acting

Willy Shepley

Kenneth More

Acting

Police Inspector

Geoffrey Keen

Acting

Secret Service Chief Chubb (as Andre Morell)

André Morell

Acting

Police Superintendent

Michael Brennan

Acting

Dr. Karl Cesare

Gerard Heinz

Acting

Minna Cesare

Lily Kann

Acting

Taxidermist

Eric Pohlmann

Acting

Employment Agent

Richard Wattis

Acting

Kyra

Sandra Dorne

Acting

Nora

Maire O'Neill

Acting

Hick

Maxwell Reed

Acting

Young Woman at Nora's House (uncredited)

Marianne Stone

Acting