Adam Quark (8 episodes, 1977-1978)
Gene / Jean (8 episodes, 1977-1978)
Betty (8 episodes, 1977-1978)
Palindrome (8 episodes, 1977-1978)
The Head (8 episodes, 1977-1978)
Andy (8 episodes, 1977-1978)
Ficus (7 episodes, 1978)
Princess Libido (2 episodes, 1978)
Zorgon the Malevolent (2 episodes, 1978)
Bar-Tel (2 episodes, 1978)
Professor Dinsmore (2 episodes, 1978)
Dr. O. B. Mudd (1 episode, 1977)
Interface (1 episode, 1977)
Zoltar (1 episode, 1978)
Princess Carna (1 episode, 1978)
The High Gorgon (1 episode, 1978)
Dr. Cheryl Evans / Vanessa (1 episode, 1978)
The Baron (1 episode, 1978)
Admiral Flint (1 episode, 1978)
Diana / Lastera (1 episode, 1978)
Captain (1 episode, 1978)
The Handmaiden (1 episode, 1978)
Gorgon Guard II (1 episode, 1978)
Commander Kroll (1 episode, 1978)
Teacher (1 episode, 1978)
Commander Stark (1 episode, 1978)
Gorgon Guard I (1 episode, 1978)
Worker One (1 episode, 1978)
Guard #1 (1 episode, 1978)
Worker Two (1 episode, 1978)
Guard #3 (1 episode, 1978)
Guard #2 (1 episode, 1978)
Gorgon Man (1 episode, 1978)
Gorgon Woman (1 episode, 1978)
Guard #4 (1 episode, 1978)
Guard #5 (1 episode, 1978)
Gorgon Assistant (1 episode, 1978)
Gene / Jean (uncredited) (7 episodes, 1978)
Dignitary (uncredited) (1 episode, 1977)
Handmaiden (uncredited) (1 episode, 1978)
The Source (uncredited) (1 episode, 1978)