 | Jim Parsons als Truman Capote (voice) |
 | Zachary Quinto als Tennessee Williams (voice) |
 | Truman Capote als Self - Writer (archive footage) |
 | Tennessee Williams als Self - Playwright (archive footage) |
 | Dick Cavett als Self - TV Host (archive footage) |
 | David Frost als Self - TV Host (archive footage) |
 | Bill Boggs als Self - TV Host (archive footage) |
 | Merv Griffin als Self - TV Host (archive footage) |
| Lisa Immordino Vreeland | Director |
| Lisa Immordino Vreeland | Producer |
| John Northrup | Producer |
| Jonathan Gray | Producer |
| Shane Sigler | Director of Photography |
| Bernadine Colish | Editor |
| Mark Lee | Producer |
| Brian Devine | Co-Executive Producer |
| Brooke Devine | Co-Executive Producer |
| Madeline Lewis | Post Production Coordinator |
| Tristan Baylis | Sound Re-Recording Mixer |
| Tristan Baylis | Supervising Sound Editor |
| Roman Chimienti | Sound Effects Editor |
| Ai Miyatake | Sound Effects Editor |
| David Gauff | Online Editor |
| David Gauff | Colorist |
| Sandra Blume | Photo Retouching |
| Scott Selden | Assistant Editor |
| Elon Long | Archival Footage Research |
| Cassidy Schulze | Archival Footage Research |
| Aldana Vaccaro | Archival Footage Research |
| Nike Fehmiu | Archival Footage Research |
| Maria Raffaella Faggiano | Location Manager |
| Madì | Original Music Composer |
