Cast and crew
I Know This Much Is True (2020)
60 cast and 42 crew, as credited. Cast in billing order, with episodes where TMDB counts them; crew by department, most episodes first.
Cast60
Mark RuffaloDominick Birdsey / Thomas Birdsey · 6 eps
Melissa LeoConcettina Ipolita Tempesta 'Ma' Birdsey · 6 eps
Rosie O'DonnellLisa Sheffer · 6 eps
Archie PanjabiDr. Patel · 6 eps
Kathryn HahnDessa Constantine · 6 eps
John ProcaccinoRay Birdsey · 6 eps
Rob HuebelLeo · 6 eps
Michael GreyeyesRalph Drinkwater · 6 eps
Gabe FazioShawn Tudesco / Dominick and Thomas Acting Double · 6 eps
Harris YulinFather Lavie · 1 ep
Bruce GreenwoodDr. Hume · 2 eps
Marcello FonteDomenico Onofrio Tempesta · 2 eps- Sue Jean KimDr. Yup · 1 ep
- Michael Simon HallStuart Feinstein · 1 ep
- Gina CostiganMrs. O'Meara · 1 ep
- Steven CoxBoyfriend of Dr. Hume's Daughter · 1 ep
- MorningStar AngelineNabby Drinkwater's Wife · 1 ep
- Al LineaAbruzzi · 1 ep
- Richard FitchMill Foreman · 1 ep
- Amy Lynn StewartMerciful Mother · 1 ep
- Guillermo DíazSergeant Mercado · 1 ep
Marylouise BurkeLibrarian · 1 ep- Brian GoodmanAl · 1 ep
- Sandra BerriosSocial Worker at Hatch · 1 ep
- Laura SilvermanKristin · 1 ep
- Christine ParksHumanities Department Chair · 1 ep
- Morgan SullivanOffice Buddy · 1 ep
- Jake RobardsLandlubbers (voice) · 1 ep
- Michael GenetThomas' Surgeon · 1 ep
- María GonzalezMa's Oncology Nurse · 1 ep
- A.C. PetersonGene Diogenes · 1 ep
- Christopher J. HankeThad · 1 ep
- James QuattrochiBus Driver · 1 ep
- Rachel B. JoyceJeanette · 1 ep
- Paul ColemanSupport Group Counselor · 1 ep
Brandon J. DirdenKyle's Dad · 1 ep- Katt MastersonDoreen · 1 ep
- Jason FurlaniLarry Penn · 1 ep
- Annie FitzgeraldMiss Hanker · 2 eps
- Kate GrimesEnglish Professor · 1 ep
- Joseph RagnoHenrey Hood · 2 eps
- Acahkos JohnsonPenny Ann Drinkwater · 2 eps
- Jaiden KleinMarie Sexton · 2 eps
- Charlie ReinaChanny · 2 eps
- Violet AdamsBunny Borsa · 2 eps
- Oliver PatnodeOtero · 2 eps
- Chelsea SheetsBrunette · 1 ep
- Matt HelmYoung Leo · 2 eps
Felix SolisNurse · 1 ep- Laura EstermanRuth Hood · 3 eps
Joe GrifasiSteve Falice · 1 ep- Derek Goh17-19 Year Old Dominick & Thomas Acting Double · 2 eps
- Raymond Neil HernandezOmar · 1 ep
- Simone CoppoVincenzo Tempesta · 1 ep
Sean CullenDr. Yates · 1 ep- Federico DordeiNunzio Tucci · 1 ep
- Agatha NowickiAngie Constantine · 2 eps
- Rocco MasihiYoung Thomas Birdsey · 4 eps
- Irene MuscaraProsperina Tucci · 2 eps
- Adrienne R. WilliamsMrs. Birdsall · 2 eps
Crew42
Directing
- Derek CianfranceDirector · 6 eps
- Marisia MorenoSecond Assistant Director · 1 ep
- Dylan HopkinsFirst Assistant Director · 1 ep
Writing
- Derek CianfranceWriter · 6 eps
- Wally LambNovel · 6 eps
- Anya EpsteinWriter · 2 eps
Production
- Glen BasnerExecutive Producer · 6 eps
- Lynette Howell TaylorExecutive Producer · 6 eps
- Ben BrowningExecutive Producer · 6 eps
- Gregg FienbergExecutive Producer · 6 eps
- Bonnie TimmermannCasting · 6 eps
- Jamie PatricofCo-Executive Producer · 6 eps
- Jeffrey T. BernsteinProducer · 6 eps
- Mark RuffaloExecutive Producer · 6 eps
- Anya EpsteinExecutive Producer · 6 eps
- Derek CianfranceExecutive Producer · 6 eps
- Michael C. BoltonCo-Producer · 6 eps
- Wally LambExecutive Producer · 6 eps
Camera
- Jody Lee LipesDirector of Photography · 6 eps
- Atsushi NishijimaStill Photographer · 6 eps
Editing
- Ron PataneEditor · 6 eps
- Malcolm JamiesonEditor · 6 eps
- Jim HeltonEditor · 6 eps
- Dean PalischEditor · 6 eps
- Nico LeunenEditor · 6 eps
Sound and music
- Tony VolanteSupervising Sound Editor, Sound Re-Recording Mixer · 6 eps
- Daniel TimmonsDialogue Editor, Supervising Sound Editor · 6 eps
- Jim BlackMusic Supervisor · 6 eps
- Mariusz GlabinskiSound Designer · 6 eps
- Harold BuddOriginal Music Composer · 6 eps
Art
- Charles Christopher RubinoTitle Designer · 6 eps
- Nicole MontagninoSet Decoration · 6 eps
- Alison FordArt Direction · 6 eps
- Inbal WeinbergProduction Design · 6 eps
- Eleonora de SimoneAssistant Art Director · 6 eps
Costume and make-up
- Diane CalfeeMakeup Artist · 6 eps
- Kasia Walicka MaimoneCostume Design · 6 eps
- Michael ZambranoHairstylist · 6 eps
- Leo WonMakeup Department Head · 6 eps
- Izzi GalindoSpecial Effects Makeup Artist · 6 eps
Crew
- Kevin Michael MurphyStunt Double, Stunts · 6 eps
- Kevin T. FogartyPost Production Supervisor · 6 eps