Michael Alaimo
— Prof. Holden
Janet Banzet
— Ruthie
Rita Bennett
— Clarice
Rose Conti
— Marge
Christine Cybelle
— Charlotte Green
Robert Dark
— Stu White
Steven Harrison
— George Blake
Jeremy Langham
— Roger Stevens
George Loros
— Biff Giles
Lucy Marks
— Sophie
Vincent Marr
— Dr. Cole
Charline Tesar
— Jan Cousins