Donald Pleasence
Professor Nolter
Tom Baker
Lynch
Brad Harris
Brian Redford
Julie Ege
Hedi
Michael Dunn
Burns
Scott Antony
Tony
Jill Haworth
Lauren
Olga Anthony
Bridget
Eithne Dunne
Nurse
Lisa Collings
Prostitute
Joan Scott
Landlady
Toby Lennon
Tramp
Richard Davies
Doctor
John Wireford
Policeman
Tony Mayne
Dwarf Tony
Molly Tweedlie
Dwarf Molly
Kathy Kitchen
Midget Kathy
Fran Fullenwider
Fat lady
Lesley Roose
Skinny Lady
Fay Bura
Bearded Lady
Bob Bura
Fire Eater
Orla Pederson
Human Pincushion
Madge Garnett
Monkey Woman
Willie Ingram
Popeye
Esther Blackmon
Alligator Girl
Hugh Baily
Pretzel Boy
Félix Duarte
Frog Boy
Jill Goldston
Girl at Carnival Freakshow (uncredited)