Générique complet
The Studio Murder Mystery
Donald Meek
Dr. Crabtree
John Hamilton
Insp. Carr
Robert Middlemass
Boris Seminoff
TT
Thelma Tipson
Dolly Demarest
Walter Fenner
Ian Stevens
JB
Jane Bramley
Mae Norton
FM
Frank McNellis
Monitor Man (uncredited)
Harry Tyler
Assistant Director (uncredited)
Herschel Mayall
Medical Examiner (uncredited)
