| Cast list | | John Saxon | as | Dylan Hunt | | Janet Margolin | as | Harper-Smythe | | Ted Cassidy | as | Isiah | | Christopher Cary | as | Baylok | | Diana Muldaur | as | Marg | | Sally Kemp | as | Treece | | Johana De Winter | as | Villar | | Claire Brennen | as | Delba | | Corinne Camacho | as | Bronta | | Majel Barrett | as | Yuloff | | Jim Antonio | as | Jonathan Connor | | Aron Kincaid | as | Gorda | | John Quade | as | Kreeg Commandant | | Rai Tasco | as | Pater Kimbridge | | Sara Chattin | as | Thetis |
| | Crew list: | | Marc Daniels (Director) | | Juanita Bartlett (Writer) | | Gene Roddenberry (Writer) |
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