George Bellak

1958

• [ ] The Invisible Avenger (Screenplay) 

1966

• [ ] Too Many Thieves (Writer) 

1968

• [ ] Managing Time (Writer) 

1973

• [ ] Nightmare Step (Writer) 

1975

• [ ] Space: 1999 (Writer) 

1976

• [ ] The Tenth Level (Writer) 

1980

• [ ] Alien Attack (Screenplay) 

1976

• [ ] The Tenth Level (Associate Producer)