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 (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)
Marcel Hillaire Phanzig Phanzig See fewer	Sabrina (1954)
Duke Fishman Convict (uncredited) Convict (uncredited) See fewer	The Doris Day Show (1968)
Ben Frommer Convict (uncredited) Convict (uncredited) See fewer	Scarface (1983)
Eldon Hansen Robot Guard (uncredited) Robot Guard (uncredited) See fewer
Lars Hensen Convict (uncredited) Convict (uncredited) See fewer	The Champ (1979)
Bob May The Robot (uncredited) The Robot (uncredited) See fewer	The Red Skelton Hour (1951)
Mike Morelli Convict (uncredited) Convict (uncredited) See fewer
Gil Perkins Convict (uncredited) Convict (uncredited) See fewer	Batman: The Movie (1966)
Robby the Robot Robot (uncredited) Robot (uncredited) See fewer	Forbidden Planet (1956)
Dick Tufeld The Robot (voice) (uncredited) The Robot (voice) (uncredited) See fewer	Lost in Space (1998)