The Hilliards are a middle class family whose lives are put in danger when escaped convict Glenn Griffin invades their home. Griffin is crazed, tormenting the Hilliards with his meek brother Hank and sadistic Robish.
| Actor | Role |
|---|---|
 Michael ConradSam Robish | Sam Robish |
 Arthur HillDan Hilliard | Dan Hilliard |
 Yvette MimieuxCindy Hilliard | Cindy Hilliard |
 Barry PrimusHank Griffin | Hank Griffin |
 George SegalGlenn Griffin | Glenn Griffin |
 Dolph SweetJesse Bard | Jesse Bard |
 Ralph WaiteLt. Fredericks | Lt. Fredericks |
 Teresa WrightEleanor Hilliard | Eleanor Hilliard |
| MMichael KearneyRalphie Hilliard | Ralphie Hilliard |
 Graham JarvisNot listed | Not listed |
| MMart HulswitNot listed | Not listed |