I Know This Much Is True (2020) — Cast
Cast
| Michael Greyeyes | Drinkwater |
| Rosie O'Donnell | Sheffer |
| Gabe Fazio | Thomas |
| Rob Huebel | Leo |
| Melissa Leo | Concettina |
| Mark Ruffalo | Thomas |
| Kathryn Hahn | Dessa |
| John Procaccino | Ray Vale |
| Archie Panjabi | Dr Chaleck |
Crew
| Jody Lee Lipes | Director of Photography |
| Jamie Patricof | Co-Executive Producer |
| Kevin T. Fogarty | Post Production Supervisor |
| Lynette Howell Taylor | Executive Producer |
| Inbal Weinberg | Production Design |
| Leo Won | Makeup Department Head |
| Tony Volante | Sound Re-Recording Mixer |
| Nicole Montagnino | Set Decoration |
| Eleonora de Simone | Assistant Art Director |
| Bonnie Timmermann | Casting |
| Alison Ford | Art Direction |
| Tony Volante | Supervising Sound Editor |
| Daniel Timmons | Supervising Sound Editor |
| Charles Christopher Rubino | Title Designer |
| Michael Zambrano | Hairstylist |
| Kasia Walicka Maimone | Costume Design |
| Anya Epstein | Executive Producer |
| Ron Patane | Editor |
| Kevin Michael Murphy | Stunt Double |
| Mariusz Glabinski | Sound Designer |
| Harold Budd | Original Music Composer |
| Dean Palisch | Editor |
| Jeffrey T. Bernstein | Producer |
| Malcolm Jamieson | Editor |
| Wally Lamb | Novel |
| Kevin Michael Murphy | Stunts |
| Jim Helton | Editor |
| Derek Cianfrance | Executive Producer |
| Atsushi Nishijima | Still Photographer |
| Wally Lamb | Executive Producer |
| Ben Browning | Executive Producer |
| Mark Ruffalo | Executive Producer |
| Jim Black | Music Supervisor |
| Daniel Timmons | Dialogue Editor |
| Izzi Galindo | Special Effects Makeup Artist |
| Glen Basner | Executive Producer |
| Gregg Fienberg | Executive Producer |
| Diane Calfee | Makeup Artist |
| Michael C. Bolton | Co-Producer |