I Know This Much Is True
“You don't just give up on the people you love.”
Series Overview
The parallel lives of identical twin brothers Dominick and Thomas Birdsey in an epic story of betrayal, sacrifice and forgiveness set against the backdrop of 20th century America.
Broadcast Schedule & Network Information
Airing status, episode counts, upcoming schedule, and network syndication.
1 Season • 6 Episodes
60 min per episode
2020 – 2020
Premiered: Sat, May 9, 2020
Derek CianfranceLatest Aired Episode
Season 1, Episode 6: “Episode Six”
A lifetime of animosity between Dominick and Ray spills over in public at an inopportune time. After an unexpected tragedy, Dominick seeks reconciliation with those he has hurt. Series finale.
Seasons & Episodes Breakdown
Trailers, Teasers & Extra Featurettes
Official promotional previews, behind-the-scenes footage, and exclusive clips.
Official TrailerOfficial
Type: Trailer • Published 2020-03-31
Cast & Creators
Explore Star Directory →
Mark Ruffalo
Dominick Birdsey / Thomas Birdsey
Melissa Leo
Concettina Ipolita Tempesta 'Ma' Birdsey
Rosie O'Donnell
Lisa Sheffer
Archie Panjabi
Dr. Patel
Kathryn Hahn
Dessa Constantine
John Procaccino
Ray Birdsey
Rob Huebel
Leo
Michael Greyeyes
Ralph Drinkwater
Gabe Fazio
Shawn Tudesco / Dominick and Thomas Acting Double
Creative Leadership & Key Crew
Derek Cianfrance
Wally Lamb
Harold Budd
Jody Lee Lipes
Malcolm Jamieson, Jim Helton, Ron Patane
Derek Cianfrance, Mark Ruffalo, Glen Basner, Ben Browning, Anya Epstein
Department Leadership Roster
Jody Lee Lipes
Director of Photography
Kasia Walicka Maimone
Costume Design
Malcolm Jamieson
Editor
Jim Helton
Editor
Ron Patane
Editor
Dean Palisch
Editor
Inbal Weinberg
Production Design
Jeffrey T. Bernstein
Producer
Harold Budd
Original Music Composer
Age Classification & Content Advisories
Official viewer rating standards and content warnings across international classification boards.
TV-MA: Mature Audience Only — Specifically designed to be viewed by adults and unsuitable for children under 17.
International Certification Matrix
Mature Audience Only — Specifically designed to be viewed by adults and unsuitable for children under 17.
Suitable only for 15 years and over.
FSK 18 — Restricted to adults 18 and older.
Interdit aux moins de 18 ans — 18+ only.
Production Stills & Gallery
Official cinematic photography and background stills for I Know This Much Is True.
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Frequently Asked Questions About I Know This Much Is True
Key facts, seasons breakdown, and credits for search engines and AI assistants.
What is I Know This Much Is True about?
The parallel lives of identical twin brothers Dominick and Thomas Birdsey in an epic story of betrayal, sacrifice and forgiveness set against the backdrop of 20th century America.
How many seasons does I Know This Much Is True have?
I Know This Much Is True comprises 1 season available to explore.
Who stars in I Know This Much Is True?
Key cast members in I Know This Much Is True include Mark Ruffalo, Melissa Leo, Rosie O'Donnell, Archie Panjabi, Kathryn Hahn.
Who created or directed I Know This Much Is True?
I Know This Much Is True was developed and directed by Derek Cianfrance.