 | Leigh McCloskey als Magnus Dens |
 | Carl Weathers als Eric |
 | Connie Sellecca als Jennie Haniver |
 | Julie Woodson als Doshan |
 | Ruth Attaway als Delia |
 | Burl Ives als Dr. Paulis |
| Elise Frick |
| Nicholas Ingham |
| Kevin Petty |
| Nicole Marsh |
| George Richards |
| John Instone |
| Jonathan Ingham |
| Patricia Rego |
| Doris Riley |
| Tracy Anne Sadler |
| Arthur Rankin, Jr. | Story |
| Tsugunobu Kotani | Director |
| William Overgard | Screenplay |
| Jules Bass | Producer |
| Maury Laws | Original Music Composer |
| Barry Walter | Editor |
| Arthur Rankin, Jr. | Producer |
| Jeri Sopanen | Director of Photography |
| Emma Randolph | Costume Design |
| Benni Korzen | Associate Producer |
| Fern Buchner | Makeup Artist |
| Katzov Satsoya | Art Direction |
| Barbara Hilse | Production Manager |
| Maury Laws | Songs |
| Jules Bass | Lyricist |
