Name	Known for
Guy Williams Dr. John Robinson Dr. John Robinson See fewer	Lost in Space (1965)
June Lockhart Maureen Robinson Maureen Robinson See fewer	Lost in Space (1965)
Mark Goddard Major Don West Major Don West See fewer	Lost in Space (1998)
Marta Kristen Judy Robinson Judy Robinson See fewer	Lost in Space (1965)
Bill Mumy Will Robinson (as Billy Mumy) Will Robinson (as Billy Mumy) See fewer	Babylon 5 (1993)
Angela Cartwright Penny Robinson Penny Robinson See fewer	The Sound of Music (1965)
Jonathan Harris Dr. Zachary Smith / Zeno Dr. Zachary Smith / Zeno See fewer	Lost in Space (1965)
Allan Melvin Enforcer Claudio Enforcer Claudio See fewer	Flash Gordon (1979)
Mickey Manners Dee Dee See fewer	Get Smart (1965)
Ken Mayer Pleiades Pete Pleiades Pete See fewer	Little Big Man (1970)
Charles Arthur Smith's Double (uncredited) Smith's Double (uncredited) See fewer	Sheila Levine Is Dead and Living in New York (1975)
Lane Bradford Barfly (uncredited) Barfly (uncredited) See fewer	Zombies of the Stratosphere (1952)
Bob May The Robot (uncredited) The Robot (uncredited) See fewer	The Red Skelton Hour (1951)
Charles Morton Barfy (uncredited) Barfy (uncredited) See fewer	Arms and the Man (1932)
Eddie Quillan Bartender (uncredited) Bartender (uncredited) See fewer	Mutiny on the Bounty (1935)
Eddie Quinlan Bartender (uncredited) Bartender (uncredited) See fewer	Godzilla vs. SpaceGodzilla (1994)
Dick Tufeld The Robot / Announcer (voice) (uncredited) The Robot / Announcer (voice) (uncredited) See fewer	Lost in Space (1998)