Bud Abbott
Chick Larkin
Lou Costello
Mervin Q. Milgrim
Patric Knowles
Jim Turner
Louise Allbritton
Jane Little
Mary Wickes
Juliet Collins
William Gargan
Detective Inspector Lou
William Bendix
Detective Sgt. Brannigan
Thomas Gomez
Col. J.R. Andrews
Ludwig Stössel
Dr. Anton Marek
Edmund MacDonald
'Murder at Midnight' Announcer