Recurring: Andy Osbourne (Major Nexx), Dan Martin (Exxegran), Lisa Gratton (Saori), Melissa Charles (Amy), Mimi Davies (Nastasha), Steve Blum (Lord Feff)
Episodic: Adam Sholder (Dennis Loan), David Hart (Hibiki's Boss), Gary Michaels (Matsui)
Incidental: Mimi Davies (PA System Voice)
Additional Voices: King Wilder, Steve Wang, Yoko Iyadomi, Yutaka Maseba
Recurring: Andy Osbourne (Major Nexx), Dan Martin (Exxegran), Lisa Gratton (Saori), Steve Blum (Lord Feff)
Episodic: David Hart (Hibiki's Boss), Dougary Grant (Mash), Gary Michaels (Matsui), Steve Blum (Newscaster)
Incidental: Mimi Davies (Commercial Voice)
Additional Voices: King Wilder, Steve Wang, Yoko Iyadomi, Yutaka Maseba
Unidentified roles: Bartender
Recurring: Hal Cleaveland (Exxegran), Lisa Gratton (Saori), Melissa Charles (Amy), Mimi Davies (Nastasha), Steve Blum (Major Nexx, Lord Feff)
Episodic: Gary Michaels (Matsui), Tom Charles (Marduk Subcommander)
Incidental: Dorothy Melendrez (Nexx Fan), Mimi Davies (Newscaster), Trish Ledoux (Wendy Ryder)
Additional Voices: Sonny Byrkett
Recurring: Lisa Gratton (Saori), Melissa Charles (Amy), Mimi Davies (Nastasha), Steve Blum (Lord Feff)
Episodic: Bill Kestin (Lord Emperor Ingues), Dorothy Melendrez (Elensh), Dougary Grant (Marduk Interrogator), Tom Charles (Marduk Subcommander)
Additional Voices: Sonny Byrkett, Trish Ledoux
Recurring: Hal Cleaveland (Exxegran), Steve Blum (Major Nexx, Lord Feff)
Episodic: Bill Kestin (Lord Emperor Ingues), Lee West (UN Fleet Commander), Tom Charles (Marduk Subcommander)
Additional Voices: Gloria Gines, Martin Ferguson, Sonny Byrkett, Steve Areno, Trish Ledoux, Violet Brontë
Recurring: Hal Cleaveland (Exxegran), Lisa Gratton (Saori), Melissa Charles (Amy), Mimi Woods (Nastasha), Steve Blum (Major Nexx, Lord Feff)
Episodic: Bill Kestin (Lord Emperor Ingues), Sonny Byrkett (UN Spacy Commander)
Incidental: Mimi Woods (PA System Voice)
Additional Voices: Gloria Gines, Martin Ferguson, Sonny Byrkett, Steve Areno, Trish Ledoux, Violet Brontë
Song: Debra Jean Rogers (Sings "Loving You")
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