The Mark of Archanon/Credits

Cast

 * Martin Landau as Commander John Koenig
 * Barbara Bain as Doctor Helena Russell
 * Catherine SchellMaya
 * Tony Anholt as Tony Verdeschi
 * Nick Tate as Alan Carter
 * John Standing as Pasc
 * Michael Gallagher as Etrec
 * Yasuko Nagazumi as Yasko
 * John Hug as Bill Fraser
 * Raul Newey as Doctor Raul Nunez
 * John Alkin as Andy Johnson
 * Anthony Forrest as Carson
 * Veronica Lang as Lyra/Maurna
 * Annie Lambert and Jenny Cresswell as Command Center operatives
 * Quentin Pierre as Pierce Quinton (guard)
 * Terry Walsh as Rescue Eagle Pilot
 * Barbara Kelly as Computer (Voice)