I Know This Much Is True Facts, FAQ & Common Questions
2020 · HBO · Status: Ended · Rated: TV-MA
Frequently Asked Questions About I Know This Much Is True
Direct, verified answers to the most common queries regarding episodes, renewals, watch order, and streaming availability.
How many seasons and episodes does I Know This Much Is True have?
I Know This Much Is True has 1 season and 6 total episodes, spanning from its premiere on May 9, 2020 to June 13, 2020.
Is I Know This Much Is True renewed, ended, or canceled?
I Know This Much Is True has concluded its run and is officially ended.
How long does it take to binge watch I Know This Much Is True?
It takes 6h 0m (360 minutes) to watch the complete run of I Know This Much Is True. At a standard pace of 2 hours per day, you will finish the entire series in approximately 3 days. Yes! At 6 hours total, you can comfortably finish this in a single weekend with about 3 hours per day.
Where can you stream or watch I Know This Much Is True?
I Know This Much Is True is available for streaming on HBO Max Amazon Channel, YouTube TV, HBO Max. Availability may vary by regional territory, subscription tier, and digital purchase availability.
What is the official age rating for I Know This Much Is True?
I Know This Much Is True has an official content rating of TV-MA. It is intended for mature adult audiences and may contain explicit language, intense violence, or sexual themes.
Who are the lead actors in I Know This Much Is True?
The primary ensemble cast includes Mark Ruffalo as Dominick Birdsey / Thomas Birdsey (age 58), Melissa Leo as Concettina Ipolita Tempesta 'Ma' Birdsey (age 66), Rosie O'Donnell as Lisa Sheffer (age 64), Archie Panjabi as Dr. Patel (age 54).
Ensemble Cast & Current Ages
Lead cast members, their character identities, and current ages calculated from official biographical records:
| Actor | Character | Current Age |
|---|---|---|
| Mark Ruffalo | Dominick Birdsey / Thomas Birdsey | 58 |
| Melissa Leo | Concettina Ipolita Tempesta 'Ma' Birdsey | 66 |
| Rosie O'Donnell | Lisa Sheffer | 64 |
| Archie Panjabi | Dr. Patel | 54 |
| Kathryn Hahn | Dessa Constantine | 53 |
| John Procaccino | Ray Birdsey | 74 |
| Rob Huebel | Leo | 57 |
| Michael Greyeyes | Ralph Drinkwater | 59 |
Editorial Verification & Sources
All production facts, air dates, cast credentials, and streaming metadata for I Know This Much Is True are compiled from official broadcaster archives, TMDB, and Wikidata records. Last verified on September 25, 2026.