Ryan O'Neal plays Russ Emery, a glib engineer who steals the heart of a fashion model named Sheila Blunden. She in turn leaves her jet setter fiance who turns out to be a psychotic who will not let go of Sheila that easily.
| Actor | Role |
|---|---|
 Ryan O'NealRuss Emery | Russ Emery |
 Lesley Ann WarrenSheila Blunden | Sheila Blunden |
 Henry JonesTom Blunden | Tom Blunden |
 Peter HaskellLeo Price | Leo Price |
 Carol SpeedSecretary | Secretary |
 Jeff DonnellMary Blunden | Mary Blunden |
 Jack MullaneyEddie | Eddie |
 Stanley AdamsWally | Wally |
 Shannon FarnonKaren Roche | Karen Roche |
| RRyan MacDonaldLieutenant Hank Robins (as Ryan McDonald) | Lieutenant Hank Robins (as Ryan McDonald) |
| FFred HollidayPatrolman | Patrolman |
| MMark TapscottDeputy Sheriff | Deputy Sheriff |
| CCharlene PoliteSecretary | Secretary |