Elissa Landi as Lisa Della Robbia

Cary Grant as Gerald Fitzgerald

Lynne Overman as Mr. Farnum

Sharon Lynn as Flora Preston (as Sharon Lynne)

Michelette Burani as Bice

Paul Porcasi as Archimede

Adrian Rosley as Doctor

Cecilia Parker as Aline Chalmers

Frank Albertson as John Fitzgerald

Wilfred Hari as Tamamoto

Torben Meyer as Carlson

Harold Berquist as Bjorgenson

Diana Lewis as Operator

Richard Bonelli as Scorpia in 'La Tosca'

Ann Sheridan as Flora's Shipboard Friend (as Clara Lou Sheridan)