Guest Stars Randy Oglesby as Degra Co Starring Josh Drennen as Thalen (Degra's Assistant) Uncredited Mark Correy as Engineer Alex Peter Godoy as Operations Crewman (Operations/Command Division Crewman) Dominic Calandra as Command Division Lieutenant Hilde Garcia as Crewman Rossi Paul Eliopoulos as Operations Crewman (Sphere-Builder Victim) Brian Avery as Command Crewman (Engineer) Douglas Bierman as Xindi-Primate (Crewman)