Dr. John Robinson
Dr. Maureen Robinson
Major Don West
Judy Robinson
Penny Robinson
Will Robinson
Dr. Zachary Smith
Robot B-9
Monster / Creature
Mr. Zumdish
Brynhilda / Aunt Gamma
Creature (voice) / Alien Leader
Verda / Nancy Pi Squared
Farnum
Captain Alonzo P. Tucker
The Keeper
Lorelei / Athena
Alien on Computer Screen (voice) / Cybernetic Leader / Supreme Brain (voice)
Rethso / IDAK Alpha 12
Zalto's Dummy (voice) / Purple Robot (voice)
TV Commentator
Alien / Disk (voice)
Judge Iko (voice) / Canto of Quasti (voice)
