TV ShowEndedHBODrama

I Know This Much Is True

Name: I Know This Much Is True
Genre: Drama
Released: 2020-05-09
Duration: 45 min

2020 · 45m per ep · TV-MA · English · United States of America

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.

7.6(98 reviews)

6.5249% popularity

At a glance

Details

First air date: May 9, 2020
Last air date: Jun 13, 2020
Status: Ended
Seasons: 1
Episodes: 6
Episode runtime: 45m
Original language: English
Country: United States of America
Network / platform: HBO
Creator / showrunner: Derek Cianfrance
Certification: TV-MA
Production companies: FilmNation Entertainment, Hunting Lane Films, Willi Hill

Where to watch

Streaming availability has not been added yet.

Keywords

sacrificebrotherhoodforgivenesschildhood traumabetrayaltragedy

Seasons & episodes

Cast

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

Media

Reviews & ratings

7.6

98 community reviews

AR
Alex Rivera6.6/103/18/2026
Binge-worthy
Every episode leaves you wanting more. The character arcs are exceptional.
52 found helpful
JK
Jordan Kim7.6/103/14/2026
Peak television
One of the best shows in its genre — tightly written and beautifully acted.
44 found helpful
SP
Sam Patel8.6/103/10/2026
Must-watch series
The season finales alone are worth the watch.
36 found helpful
ML
Morgan Lee6.6/103/6/2026
Brilliant writing
Gripping from the first scene. Already recommending to everyone.
28 found helpful
CW
Casey Wong7.6/103/2/2026
Slow burn payoff
Takes a few episodes to hit stride, then it's unstoppable.
20 found helpful