Jonathan Geffner

Biography

Jonathan Geffner is a professional ventriloquist, as well as a pianist, screenwriter, Yiddish teacher/translator, martial artist and a few other things.

Personal Facts

Known For

Writing

Gender

male

Known Credits

3

Known For

• 

  The Dummy Detective

Credits

• actors (1 credits)

  • The Dummy Detective

    Detective Van Trillo

    actor

    actors
    2025

• production (1 credits)

  • The Dummy Detective

    executive producer

    production
    2025

• writing (1 credits)

  • The Dummy Detective

    writer

    writing
    2025