Robert Cummings
George Petty, aka Andrew 'Andy' Tapp
Acting
Joan Caulfield
Prof. Victoria Braymore
Acting
Elsa Lanchester
Dr. Crutcher
Acting
Melville Cooper
Beardsley (Petty's butler, aka Uncle Ben)
Acting
Audrey Long
Mrs. Connie Manton Dezlow
Acting
Mary Wickes
Prof. Whitman
Acting
Frank Orth
Moody (process server)
Acting
John Ridgely
Patrolman
Acting
Dorothy Abbott
December Petty Girl (uncredited)
Acting
Gino Corrado
Brush and Easel Waiter (uncredited)
Acting
Pat Flaherty
Policeman #2 (uncredited)
Acting
James Griffith
Royal Roof Orchestra Leader (uncredited)
Acting
Tippi Hedren
Ice Box Petty Girl (uncredited)
Acting
Movita
Carmelita Moray (uncredited)
Acting
Ray Teal
Policeman #1 (uncredited)
Acting
Ian Wolfe
President Webb (uncredited)
Acting
Lyn Thomas
Patti McKenzie (uncredited)
Acting
Jean Spangler
Nightclub Patron (uncredited)
Acting