• 
  Ronny Cox

   Doc (9 episodes, 1998)
• 
  Lorenzo Lamas

   Cale Oosha (9 episodes, 1998)
• 
  Kristy McNichol

   Angie Romar (13 episodes, 1998)
• 
  Edward Laurence Heimberger

   Rafe (8 episodes, 1998)
• 
  Thom Adcox-Hernandez

   Simon (13 episodes, 1998)
• 
  Harve Bennett

   President McAllister (7 episodes, 1998)
• 
  Greg Eagles

   Philip Stark (13 episodes, 1998)
• 
  Jim Cummings

   Major Lomack (13 episodes, 1998)

• 
  Jennifer Darling

   Additional Voices (6 episodes, 1998)
• 
  Tony Jay

   The Dragit (13 episodes, 1998)
• 
  Mikey Kelley

   David Carter (13 episodes, 1998)
• 
  Kevin Schon

   Additional Voices (8 episodes, 1998)
• 
  James Sikking

   General Gordon (13 episodes, 1998)
• 
  Kath Soucie

   Rita Carter / ... (11 episodes, 1998)
• 
  Rider Strong

   Jim Bailey (13 episodes, 1998)