Gene Tierney

as Ann Sutton

José Ferrer

as David Korvo

Richard Conte

as Dr. William 'Bill' Sutton

Charles Bickford

as Lt. James Colton

Eduard Franz

as Martin Avery

Barbara O'Neil

as Theresa "Terry" Randolph

Constance Collier

as Tina Cosgrove

Fortunio Bonanova

as Feruccio di Ravallo