Dr. Grossman Splicers (голос)
Captain Benjamin Mathius (голос)
Professor McLaughlin (as John Hertzler)
Gallery Owner (3 episodes, 2004-2005)
Chancellor Martok (голос)
Advocate Kolos / ... (2 episodes, 2003-2004)
Jonathon (as John Hertzler)
Council Member (1 episode, 2000)
Hirogen Hunter (1 episode, 2000)
Black Dog (как John Hertzler)
Capt. Burgoyne (2 episodes, 1994)
Martok / ... (27 episodes, 1993-1999)
Edward Hayes / ... (1 episode, 1994)
Marcus Korolus (1 episode, 1992)
Alcalde Ignacio de Soto (38 episodes, 1991-1993)
Doctor (as John Hertzler)
Director (в титрах отсутствует) (1 episode, 1996)
Weathers Farrington (1 episode, 1990)
The Other Driver (as John Hertzler)
Davis (как John Hertzler)
Gen. Stark (unknown episodes, 1990)
Self 6 episodes, 2013-2016