Lead: Brian Jepson (Joe Asakura), Kim Prause (Jun), Leraldo Anzaldua (Ken Washio), Luci Christian (Jinpei), Victor Carsrud (Ryu Nakanishi)
Recurring: Andy McAvin (Dr. Kozaburo Nambu), Edwin Neal (Berg Katse), George Manley (Narrator), John Tyson (Red Impulse), Josh Grelle (Galactor Minion), Marty Fleck (Director Anderson), Winston Parish (Leader X)
Episodic: Josh Grelle (Porkmeyer, Rufus, Chivo, G-6)
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