 | Rebecca De Mornay als Ruth Draper |
 | Michael Rooker als Matt Draper / Dr. Matthew Swan |
 | Mark Rolston als Tom Bernard |
 | Lisa Zane als Ariana Harpwood |
 | Shareen Mitchell als Betty Bernard |
 | Lauren Summers als Cosette Swan |
 | Adele Yoshioka als Lab Assistant |
 | Ari Barak als Dr. Malik |
 | Diane Robin als Real Estate Agent |
 | Peter Dobson als Delivery Guy |
 | Dale Dye als Vernon Harpwood |
 | Keli Daniels als Socialite |
| Michael Guerin als Rik (as Michael D. Guerin) |
| Melissa Holbrook als Shelly (as Melissa Senkowski) |
| Patrick O'Neal als Brad |
 | Phil Hawn als Party Guest (uncredited) |
| Ron Senkowski | Director |
| Ron Senkowski | Writer |
| Clark Peterson | Producer |
| Noël A. Zanitsch | Producer |
| Evan Evans | Original Music Composer |
| Christopher Walling | Director of Photography |
| Howard Heard | Editor |
| Phillip Vasels | Production Design |
| Warden Neil | Costume Design |
| Cathy Henderson | Casting |
| Dori Zuckerman | Casting |
| Rebecca De Mornay | Co-Executive Producer |
| Michael Rooker | Co-Executive Producer |
| Darlene Winter | Co-Producer |
| Larry Schapiro | Co-Executive Producer |
| Kathleen Freeman | Makeup Artist |
| Lawrence Goebel | Executive Producer |
| David C. Whitten | Color Timer |
| Jamie Kirkpatrick | Assistant Editor |
| Sandy Schklair | Script Supervisor |
| Christine Conradt | Producer's Assistant |
| Lisa Hoyle | Stunt Double |
