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I Know This Much Is True (2020)  Back to main

Cast 79

  1. Mark Ruffalo

    Dominick Birdsey / Thomas Birdsey

  2. Melissa Leo

    Concettina Ipolita Tempesta 'Ma' Birdsey

  3. Rosie O'Donnell

    Lisa Sheffer

  5. Kathryn Hahn

    Dessa Constantine

  6. John Procaccino

    Ray Birdsey

  8. Michael Greyeyes

    Ralph Drinkwater

  9. Gabe Fazio

    Shawn Tudesco / Dominick and Thomas Acting Double

  10. Rocco Masihi

    Young Thomas Birdsey

  11. Donnie Masihi

    Young Dominick Birdsey

  13. Imogen Poots

    Joy Hanks

  15. Marcello Fonte

    Domenico Onofrio Tempesta

  16. Annie Fitzgerald

    Miss Hanker

  17. Joseph Ragno

    Henrey Rood

  18. Acahkos Johnson

    Penny Ann Drinkwater

  19. Jaiden Klein

    Marie Sexton

  21. Violet Adams

    Bunny Borsa

  23. Matt Helm

    Young Leo

  24. Derek Goh

    17-19 Year Old Dominick & Thomas Acting Double

  25. Agatha Nowicki

    Angie Constantine

  26. Irene Muscara

    Prosperina Tucci

  28. Tatanka Means

    Nabby Drinkwater

  29. Philip Ettinger

    Early Adulthood Dominick Birdsey / Thomas Birdsey

  30. Aisling Franciosi

    Young Dessa Constantine

  31. Juliette Lewis

    Nedra Frank

  32. Harris Yulin

    Father Lavie

  34. Michael Simon Hall

    Stuart Feinstein

  35. Gina Costigan

    Mrs. O'Meara

  36. Steven Cox

    Boyfriend of Dr. Hume's Daughter

  37. MorningStar Angeline

    Nabby Drinkwater's Wife

  38. Al Linea

    Abruzzi

  39. Richard Fitch

    Mill Foreman

  40. Amy Lynn Stewart

    Merciful Mother

  41. Guillermo Díaz

    Sergeant Mercado

  44. Sandra Berrios

    Social Worker at Hatch

  46. Christine Parks

    Humanities Department Chair

  47. Morgan Sullivan

    Office Buddy

  48. Jake Robards

    Landlubbers (voice)

  49. Michael Genet

    Thomas' Surgeon

  50. María Gonzalez

    Ma's Oncology Nurse

  51. A.C. Peterson

    Gene Diogenes

  55. Paul Coleman

    Support Group Counselor

  58. Jason Furlani

    Larry Penn

  59. Kate Grimes

    English Professor

  62. Joe Grifasi

    Steve Falice

  64. Simone Coppo

    Vincenzo Tempesta

  65. Sean Cullen

    Dr. Yates

  66. Federico Dordei

    Nunzio Tucci

  67. Shannon Plumb

    Charlotte

  68. Zaria Degenhardt

    11 Year Old Concettina

  69. Mark A. Gamma

    Mourner Mark

  70. Wayne J. Miller

    Mourner Wayne

  73. Robert Mladinich

    Paddy Wagon Officer

  74. Destry Allyn Spielberg

    Dr. Hume's Daughter

  75. Roberta Riganò

    Ignazia Tempesta

  76. Tim Ruddy

    Robocop

  77. Ethan Crystal

    Thin Sailor

  78. James Pravasilis

    Third Guard

Crew 42

  1. Alison Ford

    Art Direction

  3. Eleonora de Simone

    Assistant Art Director

  4. Inbal Weinberg

    Production Design

  5. Nicole Montagnino

    Set Decoration

  6. Atsushi Nishijima

    Still Photographer

  7. Jody Lee Lipes

    Director of Photography

  8. Leo Won

    Makeup Department Head

  9. Izzi Galindo

    Special Effects Makeup Artist

  10. Michael Zambrano

    Hairstylist

  11. Kasia Walicka Maimone

    Costume Design

  12. Diane Calfee

    Makeup Artist

  14. Kevin T. Fogarty

    Post Production Supervisor

  16. Marisia Moreno

    Second Assistant Director

  17. Dylan Hopkins

    First Assistant Director

  24. Anya Epstein

    Executive Producer

  25. Lynette Howell Taylor

    Executive Producer

  26. Wally Lamb

    Executive Producer

  27. Mark Ruffalo

    Executive Producer

  28. Derek Cianfrance

    Executive Producer

  29. Gregg Fienberg

    Executive Producer

  30. Jamie Patricof

    Co-Executive Producer

  32. Glen Basner

    Executive Producer

  33. Ben Browning

    Executive Producer

  35. Tony Volante

    Supervising Sound Editor

  36. Daniel Timmons

    Supervising Sound Editor

  37. Mariusz Glabinski

    Sound Designer

  38. Jim Black

    Music Supervisor

  39. Harold Budd

    Original Music Composer