Capt. James T. Kirk (voice)
Cmdr. Spock (voice)
Dr. Leonard 'Bones' McCoy (voice)
Lt. Cmdr. Montgomery 'Scotty' Scott (voice)
Lt. Hikaru Sulu (voice)
Ens. Pavel Chekov (voice)
Lt. Nyota Uhura (voice)
Trelane (voice)
Enterprise Computer (voice)
Narrator (voice)
Adm. Cain / Ops / Debug / Fase (voice) (as Melodee M. Spevack)
Adm. Richards / Commander / Curator Breznia (voice) (as Anthony de Longis)
Capt. Luke Rayner (voice)
Eadric Kamend / Nielson (voice)
Guard #2 / Grinagog / Romulan (voice) (as Johnny Cann)
Menao Sheme / Romulan (voice)
James Munroe / Azrah / Klingon aide (voice) (as Steven Kramer)
Guard #1 / Old man / Rackaback (voice) (as Ernie L. Guderjahn)
Ies Bredell / Vizznr / Eckhart (voice)
Bivander Zane / Uhland / Tuskin (voice)
Vardaine assistant / Kapitan Hauptmann / Atrioli (voice)
Gellman / Savant / Soldier #1 (voice)
Capt. Klarr / Vurian (voice)
Mr. Jons / Gellert / Stambob (voice)
Cicissa / Schiller / Jakesey (voice)
Lt. Walker / Sundergard / Gormagon (voice)
Lt. Kyle / Lucas / Romulan (voice)
Gerhard / Babysitter / Pupil (voice)
Frau Humperdink / Wolfgang / Pupil (voice) (as Molly Brandenburg)
Soldier #2 / Guard / Rabe (voice)
Maria / Pupil / Console / Moll (voice)
Ingrid / Computer (voice)
Boy / Pupil (voice)
Gretel / Door (voice)
Cmdr. Ellis (voice)
Xenti (voice)
