Raina Barrett
— Test Girl / Various Roles
Bill Macy
— Monte / Mute Physican / Various Roles
Margo Sappington
— Cherie / Various Roles
Mark Dempsey
— Alfred / Dr. Jaspers / Various Roles
Samantha Harper
— Helen / Dumb Nurse / Various Roles
Patricia Hawkins
— Jill / Various Roles
Mitchell McGuire
— Dick / Various Roles
Gary Rethmeier
— Dale / Pearloyster / Various Roles
Nancy Tribush
— Jane / Sue Ellen / Dr. Bronson / Various Roles
George Welbes
— Jack / Various Roles
Peter Lanigan
— Himself (uncredited)