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