Name	Known for
Guy Williams Dr. John Robinson Dr. John Robinson See fewer	Zorro (1957)
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 (1998)
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 Dr. Zachary Smith See fewer	Lost in Space (1965)
Grant Sullivan Alien #764 Alien #764 See fewer	The Secret Files of Captain Video (1953)
Carol Williams Alien #1220 Alien #1220 See fewer	One Spy Too Many (1966)
Craig Chudy Alien Soldier #3 (uncredited) Alien Soldier #3 (uncredited) See fewer	Tron (1982)
Maritza Elsen Alien Soldier #1 (uncredited) Alien Soldier #1 (uncredited) See fewer
Rita Fabotta Alien Soldier #4 (uncredited) Alien Soldier #4 (uncredited) See fewer
Bob May The Robot (uncredited) The Robot (uncredited) See fewer	The Red Skelton Hour (1951)
Joey Russo Young Smith (uncredited) Young Smith (uncredited) See fewer	Harum Scarum (1965)
Jeffrey Trayler Alien Soldier #2 (uncredited) Alien Soldier #2 (uncredited) See fewer
Dick Tufeld The Robot (voice) (uncredited) The Robot (voice) (uncredited) See fewer	Lost in Space (1998)