 | Robert Quarry als Count Yorga |
 | Roger Perry als Dr. Jim Hayes |
 | Michael Murphy als Paul |
 | Michael Macready als Michael Thompson |
| D.J. Anderson als Donna |
 | Judy Lang als Erica Landers |
 | Edward Walsh als Brudah |
 | Julie Conners als Cleo |
 | Marsha Jordan als Donna's Mother |
 | George Macready als Narrator (voice) |
| Paul Hansen als Peter |
| Bob Kelljan | Writer |
| Bob Kelljan | Director |
| Robert Vincent O'Neil | Production Supervisor |
| Michael Macready | Producer |
| Tony de Zarraga | Editor |
| Bill Marx | Original Music Composer |
| Arch Archambault | Director of Photography |
| Master Dentalsmith | Makeup Artist |
| Mark Rogers | Makeup Artist |
| Pat O'Mara | Assistant Camera |
| Jim Getty | Key Grip |
| Nancy Renard | Wardrobe Master |
| James Stinson | Props |
| Patty Sue Townsend | Script Supervisor |
| George Garrin | Sound Assistant |
| Bob Wilder | Set Designer |
| James M. Tanenbaum | Special Effects |
| Bob Dietz | Sound Recordist |
| Lowell Brown | Sound Recordist |
