Characters played by Gene LeBrock
Dr. Peter Houseman
Characters played by Catherine Baranov
Sally Donnelly
Characters played by Harry Cason
Dr. Mike Lester
Characters played by David Wicker
Willy Carson
Characters played by Jason Arnold
Tommy
Characters played by Stephen Brown
Professor Lloyd
Characters played by Tom Story
Professor Huston
Characters played by Anna Colona
Patricia Kelly
Characters played by Wally Doyle
Inspector
Characters played by Laura Gemser
Prostitute
Characters played by Serina Steinberg
Patricia's friend
Characters played by Wayne Potrafka
Old professor
Characters played by Tim Wright
Hopkins
Characters played by Allison Stokes
Alice
Characters played by Gary Wade Morton
Doctor Owen
Characters played by Forrest J. Ackerman
Private Eye
Characters played by George Eastman
Man in the office (cameo)