Vincent Price
— Don Gallico
Mary Murphy
— Karen Lee
Eva Gabor
— Claire Gallico Ormond
John Emery
— Rinaldi aka 'The Great Rinaldi'
Donald Randolph
— Ross Ormond
Lenita Lane
— Alice Prentiss
Patrick O'Neal
— Lt. Alan Bruce
Jay Novello
— Frank Prentiss
Corey Allen
— Gus a Stagehand (uncredited)
Conrad Brooks
— Bonfire Extra (uncredited)
Roy Engel
— Detective (uncredited)
Lyle Talbot
— Program Hawker (uncredited)
Roland Varno
— Master of Ceremonies (uncredited)