 | Groucho & Cavett (2022) als Self (archive footage) |
 | The Capote Tapes (2021) als Self (archive footage) |
 | Truman & Tennessee: An Intimate Conversation (2021) als Self - Writer (archive footage) |
 | Do I Sound Gay? (2015) als Self (archive footage) |
 | Diana Vreeland: The Eye Has to Travel (2012) als Self (archive footage) |
 | Public Speaking (2010) als Self (archive footage) |
 | Annie Hall (1977) als Truman Capote Look-Alike (uncredited) |
 | Murder by Death (1976) als Lionel Twain |
 | Cocksucker Blues (1972) als Self |
 | Beaton by Bailey (1971) als self |
 | Trilogy (1969) als Narrator (voice) |
 | The Thanksgiving Visitor (1967) als Narrator (voice) |
 | A Christmas Memory (1966) als Narrator (voice) |
 | With Love from Truman (1966) als Self - Writer |
 | David Susskind Archive: Truman Capote Tells All |
| | Summer Crossing Novel |
 | Love, Marilyn Writer |
 | Miriam Short Story |
 | Children on Their Birthdays Writer |
 | A Christmas Memory Short Story |
 | Other Voices Other Rooms Writer |
 | The Grass Harp Novel |
 | One Christmas Story |
 | Historias Breves 0: Un día con Ángela Original Story |
| | Miriam Novel |
 | The Glass House Writer |
| | Trilogy Story |
 | Laura Screenplay |
 | In Cold Blood Book |
| | The Thanksgiving Visitor Story |
| | The Thanksgiving Visitor Adaptation |
| | A Christmas Memory Writer |
 | The Innocents Screenplay |
 | Breakfast at Tiffany's Novel |
 | Beat the Devil Screenplay |
 | Stazione Termini Dialogue |