I Know This Much Is True (2020)

You don't just give up on the people you love.

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.

I Know This Much Is True

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Mark Ruffalo
Mark Ruffalo
as Dominick Birdsey / Thomas Birdsey
Melissa Leo
Melissa Leo
as Concettina Ipolita Tempesta 'Ma' Birdsey
Rosie O'Donnell
Rosie O'Donnell
as Lisa Sheffer
Archie Panjabi
Archie Panjabi
as Dr. Patel
Kathryn Hahn
Kathryn Hahn
as Dessa Constantine
John Procaccino
John Procaccino
as Ray Birdsey
Rob Huebel
Rob Huebel
as Leo
Michael Greyeyes
Michael Greyeyes
as Ralph Drinkwater
Gabe Fazio
Gabe Fazio
as Shawn Tudesco / Dominick and Thomas Acting Double
Rocco Masihi
Rocco Masihi
as Young Thomas Birdsey
Donnie Masihi
Donnie Masihi
as Young Dominick Birdsey
Laura Esterman
Laura Esterman
as Ruth Hood
Imogen Poots
Imogen Poots
as Joy Hanks
Bruce Greenwood
Bruce Greenwood
as Dr. Hume
Marcello Fonte
Marcello Fonte
as Domenico Onofrio Tempesta
Annie Fitzgerald
Annie Fitzgerald
as Miss Hanker
Joseph Ragno
Joseph Ragno
as Henrey Rood as Henrey Hood
Acahkos Johnson
Acahkos Johnson
as Penny Ann Drinkwater
Jaiden Klein
Jaiden Klein
as Marie Sexton
Charlie Reina
Charlie Reina
as Channy
Violet Adams
Violet Adams
as Bunny Borsa
Oliver Patnode
Oliver Patnode
as Otero
Matt Helm
Matt Helm
as Young Leo
Derek Goh
Derek Goh
as 17-19 Year Old Dominick & Thomas Acting Double
Agatha Nowicki
Agatha Nowicki
as Angie Constantine
Irene Muscara
Irene Muscara
as Prosperina Tucci
Adrienne R. Williams
Adrienne R. Williams
as Mrs. Birdsall
Tatanka Means
Tatanka Means
as Nabby Drinkwater
Philip Ettinger
Philip Ettinger
as Early Adulthood Dominick Birdsey / Thomas Birdsey
Aisling Franciosi
Aisling Franciosi
as Young Dessa Constantine
Juliette Lewis
Juliette Lewis
as Nedra Frank
Harris Yulin
Harris Yulin
as Father Lavie
Sue Jean Kim
Sue Jean Kim
as Dr. Yup
Michael Simon Hall
Michael Simon Hall
as Stuart Feinstein
Gina Costigan
Gina Costigan
as Mrs. O'Meara
Steven Cox
Steven Cox
as Boyfriend of Dr. Hume's Daughter
MorningStar Angeline
MorningStar Angeline
as Nabby Drinkwater's Wife
Al Linea
Al Linea
as Abruzzi
Richard Fitch
Richard Fitch
as Mill Foreman
Amy Lynn Stewart
Amy Lynn Stewart
as Merciful Mother
Guillermo Díaz
Guillermo Díaz
as Sergeant Mercado
Marylouise Burke
Marylouise Burke
as Librarian
Brian Goodman
Brian Goodman
as Al
Sandra Berrios
Sandra Berrios
as Social Worker at Hatch
Laura Silverman
Laura Silverman
as Kristin
Christine Parks
Christine Parks
as Humanities Department Chair
Morgan Sullivan
Morgan Sullivan
as Office Buddy
Jake Robards
Jake Robards
as Landlubbers (voice)
Michael Genet
Michael Genet
as Thomas' Surgeon
María Gonzalez
María Gonzalez
as Ma's Oncology Nurse
A.C. Peterson
A.C. Peterson
as Gene Diogenes
Christopher J. Hanke
Christopher J. Hanke
as Thad
James Quattrochi
James Quattrochi
as Bus Driver
Rachel B. Joyce
Rachel B. Joyce
as Jeanette
Paul Coleman
Paul Coleman
as Support Group Counselor
Brandon J. Dirden
Brandon J. Dirden
as Kyle's Dad
Katt Masterson
Katt Masterson
as Doreen
Jason Furlani
Jason Furlani
as Larry Penn
Kate Grimes
Kate Grimes
as English Professor
Chelsea Sheets
Chelsea Sheets
as Brunette
Felix Solis
Felix Solis
as Nurse
Joe Grifasi
Joe Grifasi
as Steve Falice
Raymond Neil Hernandez
Raymond Neil Hernandez
as Omar
Simone Coppo
Simone Coppo
as Vincenzo Tempesta
Sean Cullen
Sean Cullen
as Dr. Yates
Federico Dordei
Federico Dordei
as Nunzio Tucci
Shannon Plumb
Shannon Plumb
as Charlotte
Zaria Degenhardt
Zaria Degenhardt
as 11 Year Old Concettina
Mark A. Gamma
Mark A. Gamma
as Mourner Mark
Wayne J. Miller
Wayne J. Miller
as Mourner Wayne
Thomas Gionet-Lavigne
Thomas Gionet-Lavigne
as Ray's Orderly
Alexander Hacker
Alexander Hacker
as Templeton
Robert Mladinich
Robert Mladinich
as Paddy Wagon Officer
Destry Allyn Spielberg
Destry Allyn Spielberg
as Dr. Hume's Daughter
Roberta Riganò
Roberta Riganò
as Ignazia Tempesta
Tim Ruddy
Tim Ruddy
as Robocop
Ethan Crystal
Ethan Crystal
as Thin Sailor
James Pravasilis
James Pravasilis
as Third Guard
Michael Armand DeMatteo
Michael Armand DeMatteo
as Fatso
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Seasons

Season 1

Miniseries

Episodes season 1

  • 1x1

    Episode one

  • 1x2

    Episode two

  • 1x3

    Episode three

  • 1x4

    Episode four

  • 1x5

    Episode five

  • 1x6

    Episode six

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