Jonathan Geffner
- Known for
- Writing
Jonathan Geffner is a professional ventriloquist, as well as a pianist, screenwriter, Yiddish teacher/translator, martial artist and a few other things.
Known for
Acting 1
- 2025The Dummy Detective as Detective Van Trillo
Writing 1
- 2025The Dummy Detective · writer
Production 1
- 2025The Dummy Detective · executive producer