I Know This Much Is True
Following the parallel lives of identical twin brothers Dominick and Thomas Birdsey in a story of betrayal, sacrifice, and forgiveness.
Studio
FilmNation EntertainmentGenre
Drama, Mini-SeriesWatch on these services
1 Season
Miniseries6 episodes
Cast of I Know This Much Is True
Mark RuffaloDominick Birdsey / Thomas Birdsey
Melissa LeoConcettina Ipolita Tempesta 'Ma' Birdsey
Rosie O'DonnellLisa Sheffer
Archie PanjabiDr. Patel
Kathryn HahnDessa Constantine
John ProcaccinoRay Birdsey
Rob HuebelLeo
Michael GreyeyesRalph Drinkwater
Gabe FazioShawn Tudesco / Dominick and Thomas Acting Double
Rocco MasihiYoung Thomas Birdsey
Donnie MasihiYoung Dominick Birdsey
Laura EstermanRuth Hood
Imogen PootsJoy Hanks
Bruce GreenwoodDr. Hume
Marcello FonteDomenico Onofrio Tempesta
Annie FitzgeraldMiss Hanker
Acahkos JohnsonPenny Ann Drinkwater
Joseph RagnoHenrey Rood
Jaiden KleinMarie Sexton
Charles ReinaChanny
Violet AdamsBunny Borsa
Oliver PatnodeOtero
Matt HelmYoung Leo
Derek Goh17-19 Year Old Dominick & Thomas Acting Double
Agatha NowickiAngie Constantine
Irene MuscaraProsperina Tucci
Adrienne R. WilliamsMrs. Birdsall
Tatanka MeansNabby Drinkwater
Philip EttingerEarly Adulthood Dominick Birdsey / Thomas Birdsey
Aisling FranciosiYoung Dessa Constantine
Juliette LewisNedra Frank
Harris YulinFather Lavie
Sue Jean KimDr. Yup
Michael Simon HallStuart Feinstein
Gina CostiganMrs. O'Meara
Steven CoxBoyfriend of Dr. Hume's Daughter
MorningStar AngelineNabby Drinkwater's Wife
Al LineaAbruzzi
Richard FitchMill Foreman
Amy Lynn StewartMerciful Mother
Guillermo DíazSergeant Mercado
Marylouise BurkeLibrarian
Tim RuddyRobocop
Sandra BerriosSocial Worker at Hatch
Laura SilvermanKristin
Christine ParksHumanities Department Chair
Morgan SullivanOffice Buddy
Jake RobardsLandlubbers (voice)
Michael GenetThomas' Surgeon
María GonzalezMa's Oncology Nurse
Alan C. PetersonGene Diogenes
James QuattrochiBus Driver
Rachel B. JoyceJeanette
Paul ColemanSupport Group Counselor
Brandon J. DirdenKyle's Dad
Katt MastersonDoreen
Jason FurlaniLarry Penn
Kate GrimesEnglish Professor
Chelsea SheetsBrunette
Felix SolisNurse
Joe GrifasiSteve Falice
Simone CoppoVincenzo Tempesta
Sean CullenDr. Yates
Federico DordeiNunzio Tucci
Shannon PlumbCharlotte
Zaria Degenhardt11 Year Old Concettina
Mark A. GammaMourner Mark
Wayne J. MillerMourner Wayne
Thomas Gionet-LavigneRay's Orderly
Alexander HackerTempleton
Robert MladinichPaddy Wagon Officer
Destry Allyn SpielbergDr. Hume's Daughter
Roberta RiganòIgnazia Tempesta
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I Know This Much Is True