John Hertzler
- Pirates of Silicon Valley (1999) (TV) (as J.G. Hertzler) .... Ridley
Scott
- Prophecy II, The (1998) (as J.G. Hertzler) .... Father William
- "Star Trek: Deep Space Nine" (1993) TV Series (as J. G. Hertzler)
.... General/Chancellor Martok (1996-1999) ... aka "DS9" (1993)
(USA: promotional abbreviation)
- Treasure Island: The Adventure Begins (1994) (TV) .... Black Dog
- Star Trek: Deep Space Nine - Emissary (1993) (TV) (as John Noah Hertzler)
.... Vulcan Captain ... aka Emissary (1993) (TV)
- "Zorro" (1990) TV Series .... Alcalde Ignacio de Soto (Seasons
3-4) ... aka "New Zorro, The" (1990) ... aka "Nouvelles
aventures de Zorro, Les" (1990) (France)
- "General Hospital" (1963) TV Series .... General Stark (1990)
- Cry for Help: The Tracey Thurman Story, A (1989) (TV) .... Doctor
- ...And Justice for All (1979) .... The Other Driver
- Redeemer: Son of Satan!, The (1976) ... aka Class Reunion Massacre
(1976) (video title)