Main Characters
Recurring Guest Characters
Library Alien
1 guest appearances
Corridor Guard
1 guest appearances
Cab Driver
1 guest appearances
Student
1 guest appearances
Garth
1 guest appearances
Kant
1 guest appearances
Sentry
1 guest appearances
Colonel Gentry
1 guest appearances
Claudia Stone
1 guest appearances
Cyrus Stone
1 guest appearances
Eric H. Lund
1 guest appearances
Head Alien
1 guest appearances
Jeremy Mace
1 guest appearances
William Mace
1 guest appearances
Dr. Ted Willard
1 guest appearances
Adam Lane
1 guest appearances
Janet Garner
1 guest appearances
Dr. Martin Willard
1 guest appearances
Burt Newcomb
1 guest appearances