One of the patients in a group-therapy session conducted by a famous psychiatrist is a murderer.
| Actor | Role |
|---|---|
 Gig YoungEric Nicholson | Eric Nicholson |
 Anne BaxterCarlotta Mauridge | Carlotta Mauridge |
 Patrick O'NealJeremy Siddack | Jeremy Siddack |
 Dana WynterJulie Klanton | Julie Klanton |
 Leslie NielsenDr. Neesden | Dr. Neesden |
 Melvyn DouglasDr. Lawrence Strelson | Dr. Lawrence Strelson |
 William RedfieldRichard Lyle | Richard Lyle |
 Bettye AckermanSara Nicholson | Sara Nicholson |
 Louis Gossett Jr.Lt. Adam McKay | Lt. Adam McKay |
 Stacy HarrisPhillip Rootes | Phillip Rootes |
| TThomas BellinDet. Cort | Det. Cort |
 Greg MullaveyMan in Funeral Parlor | Man in Funeral Parlor |
| DDavid FrescoDavid | David |
| CConnie HunterWaitress | Waitress |
| SSyl LamontCab Driver | Cab Driver |