George Petty, aka Andrew 'Andy' Tapp
Robert Cummings
Prof. Victoria Braymore
Joan Caulfield
Policeman #2 (uncredited)
Pat Flaherty
Royal Roof Orchestra Leader (uncredited)
James Griffith
Ice Box Petty Girl (uncredited)
Tippi Hedren
Carmelita Moray (uncredited)
Movita
Policeman #1 (uncredited)
Ray Teal
President Webb (uncredited)
Ian Wolfe
Patti McKenzie (uncredited)
Lyn Thomas
Nightclub Patron (uncredited)
Jean Spangler
Dr. Crutcher
Elsa Lanchester
Beardsley (Petty's butler, aka Uncle Ben)
Melville Cooper
Mrs. Connie Manton Dezlow
Audrey Long
Prof. Whitman
Mary Wickes
Moody (process server)
Frank Orth
Patrolman
John Ridgely
December Petty Girl (uncredited)
Dorothy Abbott
Brush and Easel Waiter (uncredited)
Gino Corrado
Director
Henry Levin
Songs
Harold Arlen
Lyricist
Johnny Mercer
Costume Design
Jean Louis
Writer
Nat Perrin
Story
Mary McCarthy
Editor
Al Clark
Hairstylist
Helen Hunt
Set Decoration
William Kiernan
Director of Photography
William E. Snyder
Makeup Artist
Clay Campbell
Art Direction
Walter Holscher
Producer