John Forsythe

Character: Sam Marlowe

Shirley MacLaine

Character: Jennifer Rogers

Edmund Gwenn

Character: Captain Wiles

Mildred Natwick

Character: Miss Gravely

Mildred Dunnock

Character: Mrs. Wiggs

Jerry Mathers

Character: Arnie Rogers

Royal Dano

Character: Calvin Wiggs

Parker Fennelly

Character: Millionaire

Barry Macollum

Character: Tramp

Dwight Marfield

Character: Dr. Greenbow

Leslie Woolf

Character: Art Critic (uncredited)

Philip Truex

Character: Harry Worp (uncredited)

Ernest Curt Bach

Character: Chauffeur (uncredited)

Alfred Hitchcock

Character: Passer-by (uncredited)