Michael Gough
Dr. Christian Storm
Robin Askwith
Jason Jones
V
Vanessa Shaw
Judy Peters
Dennis Price
Mr. Pollack
Ellen Pollock
Olga ("Aunt Harris")
Skip Martin
Frederick
K
Kurt Christian
Abraham Warren
B
Barbara Wendy
Millie
Kenneth Benda
Carter
M
Martin Grace
Bike Boy
Colin Skeaping
Bike Boy
G
George Herbert
Laboratory Assistant
A
Antony Balch
Bearded Man at Club / Bike Boy (uncredited)
R
Richard Gordon
Man in Club
J
James Boris IV
'Mystic' Rock Group