Tom Lawrence, the Falcon
Vicky Gaines
Marguerita Serena
Jane Harris
Mary Phoebus
Dr. Anatole Graelich
Inspector Timothy Donovan
Detective Bates
Miss Keyes
Second Ugh (as Juanita Alvarez)
First Ugh
Third Ugh
Beanie Smith
Goodwillie, Bluecliff Driver
Eustace L. Harley (uncredited)
Elsie (uncredited)
Student (uncredited)