 L'ANIME CHE OGNI OBESO HA BISOGNO2026 · Director | Director |
 Star Trek: Inside the Roddenberry Vault2016 · Self | Self |
 50 Years of Star Trek2016 · Self | Self |
| SSci-Fi Visionaries2004 · Actor | Actor |
 Birth of a Timeless Legacy2004 · Actor | Actor |
 The Clone Master1978 · Writer, Producer | Writer, Producer |
 Man from Atlantis III: Killer Spores1977 · Producer | Producer |
| SSurvival1976 · Writer | Writer |
 A Shadow in the Streets1975 · Writer | Writer |
 The Carey Treatment1972 · Screenplay | Screenplay |
 Do Not Fold, Spindle, or Mutilate1971 · Screenplay | Screenplay |
 Thief1971 · Writer | Writer |
 Shaft1971 · Screenplay | Screenplay |
 Three Guns for Texas1968 · Writer | Writer |
 Nobody's Perfect1968 · Writer | Writer |
 The Unearthly1957 · Screenplay | Screenplay |
