Gene LeBrock

Dr. Peter Houseman

Catherine Baranov

Sally Donnelly

Harry Cason

Dr. Mike Lester

David Wicker

Willy Carson

Jason Arnold

Tommy

Stephen Brown

Professor Lloyd

Tom Story

Professor Huston

Anna Colona

Patricia Kelly

Wally Doyle

Inspector

Laura Gemser

Prostitute

Serina Steinberg

Patricia's friend

Wayne Potrafka

Old professor

Tim Wright

Hopkins

Allison Stokes

Alice

George Eastman

Man in the office