Penny Robinson (83 Episodes)

Dr. John Robinson (83 Episodes)

Dr. Maureen Robinson (83 Episodes)

Major Don West (83 Episodes)

Judy Robinson (83 Episodes)

Will Robinson (83 Episodes)

Dr. Zachary Smith (83 Episodes)

Robot B-9 (83 Episodes)

Robot B-9 (83 Episodes)

Monster (2 Episodes)

Mr. Zumdish (3 Episodes)

Brynhilda (1 Episodes)

Frog Alien (voice) (1 Episodes)

Verda (2 Episodes)

Farnum (2 Episodes)

Captain Alonzo P. Tucker (2 Episodes)

The Keeper (2 Episodes)

Lorelei (1 Episodes)

Cybernetic Leader / Supreme Brain (voice) (1 Episodes)

IDAK Alpha 12 (1 Episodes)

Purple Robot (voice) (1 Episodes)

TV Commentator (2 Episodes)

Alien (1 Episodes)

Judge Iko (voice) (1 Episodes)

Enforcer Claudio (1 Episodes)

Elevator Operator (1 Episodes)

Security Guard (1 Episodes)

Space Control Officer O-3 (voice) (1 Episodes)

Edgar (1 Episodes)

Cragmire (1 Episodes)

Phanzig (1 Episodes)

Chronos' Alien Assistant (1 Episodes)

Slave (1 Episodes)

Fenestra (1 Episodes)

Tiabo (1 Episodes)

Keema (1 Episodes)

Nerim (1 Episodes)

Myko (1 Episodes)

Jeremiah Smith (1 Episodes)

Morbus (1 Episodes)

Dee (1 Episodes)

The Space Trader (1 Episodes)

The Boy (1 Episodes)

The Ruler (1 Episodes)

Sagramonte (1 Episodes)

Lighted Head Leader (1 Episodes)

The Giant Cyclops (1 Episodes)

Arcon (1 Episodes)

Hamish (1 Episodes)

Zalto (1 Episodes)

Niolani (1 Episodes)

Bolix (1 Episodes)

Jimmy Hapgood (1 Episodes)

Newsman Lacy (1 Episodes)

(1 Episodes)

Admiral Zahrk (1 Episodes)

Alien (1 Episodes)

Cmdr. Fletcher (1 Episodes)

Rongah (1 Episodes)

Princess (1 Episodes)

Mechanical Man (1 Episodes)

Space Hippie (1 Episodes)

Tybo (1 Episodes)

Megazor (1 Episodes)

Sobram (1 Episodes)

Sybilla (1 Episodes)

Creech (1 Episodes)

J-5 (1 Episodes)

Dr. Chronos (1 Episodes)

Bartender (1 Episodes)

Thief (1 Episodes)

O. M. (1 Episodes)

Alien Leader (1 Episodes)

Bird Monster (1 Episodes)

Dr. Marvello (1 Episodes)

Quano (1 Episodes)

Ohan (1 Episodes)

Aunt Clara Simms (1 Episodes)

Sesmar (1 Episodes)

Effra (1 Episodes)

Fedor (1 Episodes)

Warden (1 Episodes)

Nexus (1 Episodes)

Major Domo (1 Episodes)

Col. Silas Fogey (1 Episodes)

Non (1 Episodes)

Alien Fighter (1 Episodes)

Barfly (1 Episodes)

Phone Operator Rachel (1 Episodes)

Security Guard (1 Episodes)

The President (1 Episodes)

General (1 Episodes)

Alpha Control Technician (1 Episodes)

The Giant Cyclops (1 Episodes)

Mr. Nobody (1 Episodes)

Moela (1 Episodes)

Horned Mutant (1 Episodes)

Sheriff George Baxendale (1 Episodes)

Davey Sims (1 Episodes)

Grover (1 Episodes)

First Selectman (1 Episodes)

Nubu (1 Episodes)

Geoo (1 Episodes)

Fat Princess (1 Episodes)

Pleiades Pete (1 Episodes)

Alien (1 Episodes)

Urso (1 Episodes)

Gundemar (voice) (1 Episodes)

Gundemar (1 Episodes)

Wooden Soldier (1 Episodes)

Thor (1 Episodes)

Smeek (1 Episodes)

Deek (1 Episodes)

Lemnoc (1 Episodes)

Saticon (1 Episodes)

Convict (1 Episodes)

Convict (1 Episodes)

Convict (1 Episodes)

Convixt (1 Episodes)

Convict (1 Episodes)

Grover (1 Episodes)

Stacy (1 Episodes)

Charlie (1 Episodes)

Craig (1 Episodes)

Alien (1 Episodes)

Alien (1 Episodes)

Cyborg (1 Episodes)

Alien Machine (voice) (1 Episodes)

Zaybo (1 Episodes)

Sgt. Smith (1 Episodes)

Aien Girl (1 Episodes)

Mechanical Man (1 Episodes)

Oggo (1 Episodes)

Mort (1 Episodes)

Inspector (uncredited) (1 Episodes)

Tat (1 Episodes)

QZW (1 Episodes)

MXR (1 Episodes)

Princess Reyka (1 Episodes)

Chavo (1 Episodes)

Gilt Proto (1 Episodes)

General Squires (1 Episodes)

Bartholomew (1 Episodes)

Guard (1 Episodes)

Miss Teutonium (1 Episodes)

Willoughby (1 Episodes)