I Know This Much is True (HBO)
- Genre: Drama, Television
- Director: Derek Cianfrance
- Producer(s): Jeffrey T. Bernstein
- Writer(s): Derek Cianfrance, Wally Lamb, Anya Epstein
- Studio: Crave
- Length: 1h 00m
- Official Site: hbo.com/i-know-this-much-is-true
Cast
as Dominick Birdsey / Thomas Birdsey
as Ma
as Lisa Sheffer
Archie Panjabi
as Dr. Patel
as Joy Hanks
as Nedra Frank
as Dessa Constantine
John Procaccino
as Ray Birdsey
Rob Huebel
as Leo
Michael Greyeyes
as Ralph Drinkwater
Aisling Franciosi
as Young Dessa
Philip Ettinger
as Young Dominick / Young Thomas