| 角色 | 饰演者 | 角色介绍 |
| Captain America (Steve Rogers) | Reb Brown | |
| Dr. Wendy Day | 康妮·赛勒卡 | |
| Dr. Simon Mills | Len Birman | |
| Miguel | 克里斯托弗·李 | |
| Helen Moore | Katherine Justice | |
| Professor Ian Ilson | Christopher Cary | |
| Stader (as Bill Lucking) | 威廉姆·拉金 | |
| Kramer | Stanley Kamel | |
| Everett Bliss | Ken Swofford | |
| Yolanda | 拉娜·伍德 | |
| Doctor | Arthur Rosenberg | |
| Dr. J. Brenner (as Bill Mims) | William Mims | |
| Young Man | Alex Hyde-White | |
| Young Girl | Lachelle Chamberlain | |
| Mrs. Shaw | Susan French | |
| Peter Moore | John Waldron |
