Robert Cummings

George Petty, aka Andrew 'Andy' Tapp

Joan Caulfield

Prof. Victoria Braymore

Elsa Lanchester

Dr. Crutcher

Melville Cooper

Beardsley (Petty's butler, aka Uncle Ben)

Audrey Long

Mrs. Connie Manton Dezlow

Mary Wickes

Prof. Whitman

Frank Orth

Moody (process server)

John Ridgely

Patrolman

Dorothy Abbott

December Petty Girl (uncredited)

Gino Corrado

Brush and Easel Waiter (uncredited)

Pat Flaherty

Policeman #2 (uncredited)

James Griffith

Royal Roof Orchestra Leader (uncredited)

Tippi Hedren

Ice Box Petty Girl (uncredited)

Movita

Carmelita Moray (uncredited)

Ray Teal

Policeman #1 (uncredited)

Ian Wolfe

President Webb (uncredited)

Lyn Thomas

Patti McKenzie (uncredited)

Jean Spangler

Nightclub Patron (uncredited)

Henry Levin

Director

Mary McCarthy

Guión, Historia

Nat Perrin

Guión

Johnny Mercer

Lyricist

William E. Snyder

Director de Fotografía

George Duning

Compositor de la Música Original

Werner R. Heymann

Compositor de la Música Original

Harold Arlen

Songs

Nat Perrin

Productor

Columbia Pictures

Compañía de Produccion

Helen Hunt

Estilista

Clay Campbell

Maquilladora

Jean Louis

Diseño de Vestuario

Al Clark

Editor

Walter Holscher

Dirección Artística

William Kiernan

Decorados