I Know This Much Is True (HBO)

1 Seasons

A family saga that follows the parallel lives of identical twin brothers in an epic story of betrayal, sacrifice and forgiveness.

Plans start at $9.99/month.
Sign Up Now


Episode One
1. Episode One

Dominick Birdsey deals with the repercussions of his twin brother Thomas' violen...

Episode Two
2. Episode Two

Dominick attempts to navigate the continuing fallout of Thomas' actions as he le...

Episode Three
3. Episode Three

Sheffer works with Dominick to prepare for Thomas' hearing and its potential out...

Episode Four
4. Episode Four

Dominick returns to work while reflecting on the disturbing episode that led to ...

Episode Five
5. Episode Five

Following a stunning revelation, Dominick enlists an unlikely ally in his missio...

Episode Six
6. Episode Six

After a startling confrontation, Dominick seeks reconciliation and receives an a...

Watch Free Episodes from Our Most Popular Series

More Details


drama, original


1 Seasons Available (6 Episodes)

Release Year


Rating Information


I Know This Much Is True (HBO)

A tour-de-force performance from three-time Oscar(R) nominee Mark Ruffalo leads this family saga, which follows the parallel lives of identical twin brothers in an epic story of betrayal, sacrifice and forgiveness set against the backdrop of 20th-century America. The six-episode limited drama series is based on Wally Lamb’s New York Times bestseller and award-winning book.

Cast and Crew

Starring: Mark Ruffalo, Melissa Leo, Rosie O'Donnell, John Proccacino, Rob Huebel, Archie Panjabi, Marcello Fonte, Michael Greyeyes, Harris Yulin, Gabe Fazio, Kathryn Hahn, Irene Muscara, Donnie Masihi, Rocco Masihi, Tatanka Means, Shannon Plumb, Agatha Nowicki, Bruce Greenwood, Simone Coppo, Roberta Rigano, Sean Cullen, Federico Dordei, Imogen Poots, Philip Ettinger, Aisling Franciosi, Juliette Lewis, Matt Helm, Felix Solis, Laura Esterman, Joe Grifasi, Joseph Ragno, Annie Fitzgerald, A.C. Peterson, Guillermo Diaz, Marylouise Burke, Brian Goodman

Get Even More With HBO Max

All of HBO plus blockbuster movies, epic originals, and addictive series.

Plans start at $9.99/month.

Sign Up Now