Dean Martin as Ray Hunter

Anna Maria Alberghetti as Nina Martelli

Eva Bartok as Maria Martelli

Walter Slezak as Papa Martelli

Dewey Martin as Mike Clark

Paul Henreid as Anton

Evelyn Varden as Countess Alzani

John Archer as Bob Dudley

Dean Jones as Dan

Jules Munshin as Arthur

Marcel Dalio as Vittorio Cisini

Lisa Montell as Diana Martelli

Lisa Gaye as Ana Martelli

Stephen Dunne as Tom Crandall

Monique van Vooren as Girl on Main Title

Robert Argent as Reporter (uncredited)

Frank Arnold as Reporter (uncredited)

Jeanne Baird as Chicago Operator (uncredited)

Brandon Beach as Nightclub Patron (uncredited)

Paul Bradley as Benefit Guest (uncredited)

George Calliga as Party Guest (uncredited)

Lilyan Chauvin as Reporter (uncredited)

Jack Chefe as Party Guest (uncredited)

Franco Corsaro as Headwaiter (uncredited)

Audrey Conti as (uncredited)

Henry Dar Boggia as Assistant Hotel Manager (uncredited)

Angelo De Meo as Policeman (uncredited)

Valentin de Vargas as Reporter (uncredited)

Don Dillaway as Reporter (uncredited)

Franklyn Farnum as Party Guest (uncredited)

Adolph Faylauer as Party Guest (uncredited)

Bess Flowers as Party Guest (uncredited)

Kenneth Gibson as Party Guest (uncredited)

Joe Gilbert as Party Guest (uncredited)

James Gonzalez as Party Guest (uncredited)

Phyllis Graffeo as Party Guest (uncredited)

Joe Gray as (uncredited)

Mack Gray as Party Guest (uncredited)

Sam Harris as Party Guest (uncredited)

Jean Heremans as Reporter (uncredited)

Bill Hickman as Party Guest (uncredited)

Jean Hidey as Party Guest (uncredited)

Shep Houghton as Party Guest (uncredited)

Sid Kane as Reporter (uncredited)

Kenner G. Kemp as Nightclub Patron (uncredited)

Perk Lazelle as Party Guest (uncredited)

Carl M. Leviness as Nightclub Patron (uncredited)

Frank Leyva as Reporter (uncredited)

Saverio LoMedico as Reporter (uncredited)

Jerry Martin as Fireman (uncredited)

Wanda McKay as New York Operator (uncredited)

Harold Miller as Party Guest (uncredited)

Ernesto Molinari as Workman (uncredited)

Gordon Morehouse as Reporter (uncredited)

Leo Mostovoy as Reporter (uncredited)

Sol Murgi as Hotel Worker (uncredited)

Forbes Murray as Party Guest (uncredited)

George Nardelli as Hotel Worker (uncredited)

Frank Nechero as Reporter (uncredited)

Ron Nyman as Nightclub Patron (uncredited)

Monty O'Grady as Party Guest (uncredited)

Nestor Paiva as Alfredo - the Jeweler (uncredited)

Manuel París as Reporter (uncredited)

Dario Piazza as Reporter (uncredited)

Joe Ploski as Chef (uncredited)

Murray Pollack as Party Guest (uncredited)

Fred Rapport as Nightclub Patron (uncredited)

Francis Ravel as Reporter (uncredited)

Paul Ravel as Hotel Worker (uncredited)

Suzanne Ridgway as Party Guest (uncredited)

Benny Rubin as The Waiter (uncredited)

Cosmo Sardo as Party Guest (uncredited)

Scott Seaton as Party Guest (uncredited)

Bernard Sell as Party Guest (uncredited)

Dori Simmons as San Francisco Operator (uncredited)

Ann Staunton as Reporter (uncredited)

Norman Stevans as Party Guest (uncredited)

Bert Stevens as Party Guest (uncredited)

Hal Taggart as Nightclub Patron (uncredited)

Danny Truppi as Workman (uncredited)

Renata Vanni as Maid (uncredited)