Marilyn Monroe as Rose Loomis

Joseph Cotten as George Loomis

Jean Peters as Polly Cutler

Max Showalter as Ray Cutler

Denis O'Dea as Inspector Starkey

Richard Allan as Patrick

Don Wilson as J.C. Kettering

Lurene Tuttle as Mrs. Kettering

Russell Collins as Mr. Qua

Will Wright as Boatman

Minerva Urecal as Mrs. McGrand

Harry Carey, Jr. as Taxi Driver

Henry Beckman as Motorcycle Cop (uncredited)

Bill Coontz as Young Man (uncredited)

Robert Ellis as Young Man (uncredited)

Neil Fitzgerald as Customs Officer (uncredited)

Gloria Gordon as Dancer (uncredited)

George Ives as Carillon Tower Guide (uncredited)

Arch Johnson as Taxi Driver (uncredited)

Lester Matthews as Doctor (uncredited)

Sean McClory as Sam (uncredited)

Patrick O'Moore as Detective (uncredited)

Tom Reynolds as Husband (uncredited)

Willard Sage as Motorcycle Cop (uncredited)

Bert Stevens as Doctor (uncredited)

Nina Varela as Wife at Bus Station

Gene Wesson as Guide (uncredited)