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  • Biography
IMDbPro

Karl Seitz(I)

  • Actor
  • Writer
IMDbProStarmeterSee rank
Karl Seitz is a smart, kind, hardworking young man. He's an actor, appearing on NBC's "This Is Us" as Young Jack Jr., Target commercials, "Tab Time", and local plays. He's a comedian, performing in Cool Beans Comedy stand up shows and posting Jokes of the Day on Instagram. He's an accomplished equestrian atop his regular mount, a big bay horse named Jack, who, together, have competed in several horse shows. He dances in a charity German dance group with his family and friends. He enjoys music and takes lessons in piano, ukulele, drums and vocals. Karl also enjoys swimming, reading and especially playing with buddy Dog, Horton, and his cat, Sally.

Karl was born legally blind. He has undergone many surgeries, including several cornea transplants, and was able to gain some of his vision. He is a strong and resilient young man and doesn't let anything stop him. He loves meeting new people and making everyone laugh.

Karl also loves travelling around the world and going on adventures. He has gone hiking in Yosemite, Yellowstone, Zion, and Bryce Canyon. He has swam with the dolphins, manna rays, and manatees. Last summer he went to Ireland where he kissed the Blarney Stone and performed Falconry. He also loves extreme sports like parasailing, ATVing, and zip lining. Karl has no fear!
IMDbProStarmeterSee rank
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    Known for

    Sterling K. Brown, Chrissy Metz, and Faithe Herman in This Is Us (2016)
    This Is Us
    8.7
    TV Series
    • Jack Jr.
    • Jack Jr. (7 Y
    • O)
    Corey Martin Craig in Cool Beans Kids Presents (2023)
    Cool Beans Kids Presents
    TV Series
    • Writer
    Wonder Pets: In the City (2024)
    Wonder Pets: In the City
    7.8
    TV Series
    • Boy
    • Elephant
    Tab Time (2021)
    Tab Time
    9.1
    TV Series
    • Self

    Credits

    Edit
    IMDbPro

    Actor



    • Wonder Pets: In the City (2024)
      Wonder Pets: In the City
      7.8
      TV Series
      • Elephant
      • Boy
      • 2024
    • Sterling K. Brown, Chrissy Metz, and Faithe Herman in This Is Us (2016)
      This Is Us
      8.7
      TV Series
      • Jack Jr.
      • Jack Jr. (7 Y
      • O)
      • 2022

    Writer



    • Corey Martin Craig in Cool Beans Kids Presents (2023)
      Cool Beans Kids Presents
      TV Series
      • written by
      • 2023

    Personal details

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    • Official site
      • Karl J. Seitz Instagram

    Self-verified on IMDbPro

    • Gender / Gender identity
      • Male
    • Pronouns
      • he/him
    • Race / Ethnicity
      • White

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