| Jason (28 episodes 1978-1979) | Craig Littler | |
| Dragos (28 episodes 1978-1979) | 希德·海格
 | |
| Professor E.J. Parsafoot (28 episodes 1978-1979) | Charlie Dell | |
| Captain Nicole Davidoff (16 episodes 1978-1980) | Susan Pratt | |
| Commander Canarvin (16 episodes 1978-1980) | James Doohan | |
| The Commander? (12 episodes 1979-1981) | 约翰·拉塞尔
 | |
| Samantha (12 episodes 1979-1981) | 塔玛拉·多布森
 | |
| Peepo (6 episodes 1978-1979) | Erika Lane | |
| Princess Allegra (3 episodes 1978) | Rosanne Katon
 | |
| Matt Daringstar (3 episodes 1979) | Clete Keith | |
| Queen Medusa (3 episodes 1979) | 弗朗辛·约克
 | |
| Matt Prentiss? (2 episodes 1978-1979) | John Berwick | |
| Captain Kidd (2 episodes 1978) | Brendan Dillon | |
| Space Queen (2 episodes 1978) | 朱莉·纽玛
 | |
| Adron (2 episodes 1979) | Rod Loomis | |
| Bork (2 episodes 1978) | Angelo Rossitto | |
| Heidi (2 episodes 1979) | Heather O'Connell | |
| Snow Monster (1 episode 1978-1979) | Ram Anand | |
