Tim Beck (3 episodes, 2016-2017)
Roman de' Medici (1 episode, 2014)
Burt Wilson (23 episodes, 2011)
Alex Jackson / ... (2 episodes, 2013-2014)
George Crabtree (3 episodes, 2004)
Tony Reese (2 episodes, 2001-2002)
Bruno / ... 6 episodes, 2015-2018
Romulan Commander 1 episode, 2022
Officer D. Reid 1 episode, 2020
Morgan Shaw 5 episodes, 2023
Mayor Krassner 4 episodes, 2022
Greg Patrick 1 episode, 2022