Seth MacFarlane Captain Ed Mercer Actor, Executive Producer Adrianne Palicki Commander Kelly Grayson Actor Penny Johnson Dr. Claire Finn Actor Scott Grimes Lieutenant Gordon Malloy Actor Peter Macon Lieutenant Commander Bortus Actor Halston Sage Chief Security Officer Alara Kitan Actor J. Lee Lieutenant John Lamarr Actor Mark Jackson Isaac Actor Chad L. Coleman Klyden Actor Norm Macdonald Yaphit Guest Star Victor Garber Admiral Halsey Guest Star Mike Henry Dann Guest Star Larry Joe Campbell Steve Newton Guest Star Gavin K. Lee Henry Park Guest Star Derek Mears Bruidian Ambassador Guest Star J. Paul Boehmer Navarian Ambassador Guest Star Ralph Garman Kanoot Guest Star BJ Tanner Marcus Finn Guest Star Kai Wener Ty Finn Guest Star Brannon Braga Executive Producer David A. Goodman Executive Producer Jason Clark Executive Producer Liz Heldens Executive Producer