I Know This Much Is True - Rotten Tomatoes

I Know This Much Is True (2020 - 2020)

I Know This Much Is True (2020 - 2020)




Critic Consensus: No consensus yet.

Series Info

Adaptation of Wally Lamb's novel about identical twin brothers Dominick and Thomas Birdsey in a family saga that follows their parallel lives in a story of betrayal, sacrifice and forgiveness.

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Critics Consensus: I Know This Much is True's relentlessly grim plotting makes it a difficult watch, but the strength of Mark Ruffalo's dual performances is enough to make it a dark tale worth tuning into.

2020, HBO, 6 episodes


Mark Ruffalo
as Dominick Birdsey/Thomas Birdsey
Rosie O'Donnell
as Lisa Sheffer
Archie Panjabi
as Dr. Patel
Imogen Poots
as Joy Hanks
John Proccacino
as Ray Birdsey
Philip Ettinger
as Dominick Birdsey/Thomas Birdsey (young adult)
Aisling Franciosi
as Dessa Constantine (young)
Michael Greyeyes
as Ralph Drinkwater
Guillermo Díaz
as Sergeant Mercado
Marcello Fonte
as Domenico Onofrio Tempesta
Juliette Lewis
as Nedra Frank
Kathryn Hahn
as Dessa Constantine
Donnie Masihi
as 8yo Dominick Birdsey
Matt Helm
as Leo jeune
Joseph Ragno
as Henrey Rood
Gabe Fazio
as Shawn Tudesco
Kate Grimes
as English Professor
Simone Coppo
as Vincenzo Tempesta
Jason Furlani
as Larry Penn
Mike Holt
as Hatch Inmate
Chris Swain
as Hospital Aide
Vincent Reina
as Channy Harrington
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