Full cast of Lost in Space
Dick Tufeld
Robot B-9
83 episodes
Bob May
Robot B-9
83 episodes
Dawson Palmer
Monster / Keel / Cosmic Monster / Moss monster / Android Raddion / Angus / Bog Monster / IDAK Omega 17 / Creature
10 episodes
Fritz Feld
Mr. Zumdish
3 episodes
Sheila Allen
Brynhilda / Ruth Templeton / Aunt Gamma
3 episodes
Ron Gans
Frog Alien (voice) / Alien Leader / Creature (voice)
3 episodes
Dee Hartford
Verda / Nancy Pi Squared
3 episodes
Leonard Stone
Farnum
2 episodes
Vitina Marcus
Lorelei / Athena
2 episodes
Michael Fox
Cybernetic Leader / Supreme Brain (voice) / Alien on Computer Screen (voice)
2 episodes
Joe E. Tata
Zalto's Dummy (voice) / Purple Robot (voice)
2 episodes
Don Forbes
TV Commentator
2 episodes
Theodore Lehmann
Alien / Disk (voice)
2 episodes
Gregory Morton
Judge Iko (voice) / Canto of Quasti (voice)
2 episodes
Tiger Joe Marsh
Elevator Operator / Security Guard
2 episodes
Hoke Howell
Sgt. Rogers / Security Guard
2 episodes
Sue England
Female Robot (voice) / Space Control Officer O-3 (voice)
2 episodes
William Bramley
Robotoid (voice) (uncredited) / Mr. Nobody
2 episodes
Keith Taylor
Edgar / Theodore the bully
2 episodes
Robert Foulk
Cragmire / Kraspo
2 episodes
Marcel Hillaire
Phanzig / Junkman
2 episodes
Fred Krone
Monster / Chronos' Alien Assistant
2 episodes
Melinda O. Fee
Fenestra
1 episode
Dennis Patrick
Keema
1 episode
Strother Martin
Nerim
1 episode
Mike Kellin
Myko
1 episode
Henry Jones
Jeremiah Smith
1 episode
Gerald Mohr
Morbus
1 episode
Mickey Manners
Dee
1 episode
Torin Thatcher
The Space Trader
1 episode
Michael J. Pollard
The Boy
1 episode
Hans Conried
Sagramonte
1 episode
Wilbur Evans
Lighted Head Leader
1 episode
Lamar Lundy
The Giant Cyclops
1 episode
John Carradine
Arcon
1 episode
Sean McClory
Hamish
1 episode
Francine York
Niolani
1 episode
Robert Easton
Newsman Lacy
1 episode
Frank Delfino
1 episode
Ronald Long
Admiral Zahrk
1 episode
Lew Gallo
Cmdr. Fletcher
1 episode
Arthur Batanides
Rongah
1 episode
Kym Karath
Princess
1 episode
Stanley Adams
Tybo
1 episode
Vincent Beck
Megazor
1 episode
Abraham Sofaer
Sobram
1 episode
Mercedes McCambridge
Sybilla
1 episode
Michael Conrad
Creech
1 episode
John Crawford
Dr. Chronos
1 episode
Eddie Quillan
Bartender
1 episode
Walter Burke
O. M.
1 episode
Peter Brocco
Alien Leader
1 episode
Janos Prohaska
Bird Monster
1 episode
James Westerfield
Dr. Marvello
1 episode
Larry Ward
Ohan
1 episode
Reta Shaw
Aunt Clara Simms
1 episode
John Abbott
Sesmar
1 episode
Sherry Jackson
Effra
1 episode
Arte Johnson
Fedor
1 episode
Tol Avery
Warden
1 episode
Liam Sullivan
Nexus
1 episode
Royal Dano
Major Domo
1 episode
Woodrow Parfrey
Col. Silas Fogey
1 episode
Edy Williams
Non
1 episode
Chuck Roberson
Alien Fighter
1 episode
Lane Bradford
Barfly
1 episode
Helen Kleeb
Phone Operator Rachel
1 episode
Brett Parker
Security Guard
1 episode
Ford Rainey
The President
1 episode
Hal Torey
General
1 episode
Fred Crane
Alpha Control Technician
1 episode
Robert 'Big Buck' Maffei
The Giant Cyclops
1 episode
Françoise Ruggieri
Moela
1 episode
Walter Sande
Sheriff George Baxendale
1 episode
Donald Losby
Davey Sims
1 episode
Harry Harvey
Grover
1 episode
Anne Dore
First Selectman
1 episode
Michael Greene
Nubu
1 episode
Harry Monty
Geoo
1 episode
Maxine Gates
Fat Princess
1 episode
Ken Mayer
Pleiades Pete
1 episode
Bill Troy
Alien
1 episode
Harry Raybould
Urso
1 episode
Jeff County
Gundemar
1 episode
Larry Dean
Wooden Soldier
1 episode
Bern Hoffman
Thor
1 episode
Jim Boles
Smeek
1 episode
Craig Duncan
Deek
1 episode
Jim Mills
Saticon
1 episode
Duke Fishman
Convict
1 episode
Ben Frommer
Convict
1 episode
Lars Hensen
Convict
1 episode
Gil Perkins
Convixt
1 episode
Mike Morelli
Convict
1 episode
Pitt Herbert
Grover
1 episode
Claire Wilcox
Stacy
1 episode
Norman Leavitt
Charlie
1 episode
Grant Sullivan
Alien
1 episode
Carol Williams
Alien
1 episode
Tommy Farrell
Cyborg
1 episode
Bart La Rue
Alien Machine (voice)
1 episode
Kenya Coburn
Zaybo
1 episode
Don Eitner
Sgt. Smith
1 episode
Linda Gaye Scott
Aien Girl
1 episode
Ralph Lee
Mechanical Man
1 episode
Gary Tigerman
Oggo
1 episode
Ronald Weber
Mort
1 episode
Tom Allen
Inspector (uncredited)
1 episode
Carroll Roebke
Tat
1 episode
Eric Matthews
QZW
1 episode
Richard Krisher
MXR
1 episode
Corinna Tsopei
Princess Reyka
1 episode
Alberto Monte
Chavo
1 episode
Jim Gosa
Gilt Proto
1 episode
Gil Rogers
Bartholomew
1 episode
Charles Horvath
Guard
1 episode
Miriam Schiller
Miss Teutonium
1 episode
James Millhollin
Willoughby
1 episode
Ollie O'Toole
Robotoid (voice) (uncredited)
1 episode
Hal Jon Norman
Dog-faced Alien (uncredited)
1 episode