Recurring: Brad Swaile (Chris Hawken), Brittney Irvin (Cindy Klein), Fiona Hogan (Juna's Mother), Samantha Ferris (Teresa Wong), Tabitha St. Germain (Sayuri Shirakawa)
Episodic: Ron Halder (Chief Dojima)
Incidental: Richard Newman (Power Plant Controller #3), Ron Halder (Power Plant Controller #2), Tabitha St. Germain (Nurse), Trevor Devall (White S.E.E.D. Soldier, Power Plant Controller #1, Doctor)
Recurring: Brad Swaile (Chris Hawken), Brittney Irvin (Cindy Klein), Samantha Ferris (Teresa Wong), Trevor Devall (Commander Onizuka)
Episodic: Ron Halder (Chief Dojima)
Incidental: Fiona Hogan (S.E.E.D. Official #1), Richard Newman (S.E.E.D. Official #3, Power Plant Controller #3), Ron Halder (S.E.E.D. Official #2, Power Plant Controller #2), Trevor Devall (Bobby, White S.E.E.D. Soldier, Power Plant Controller #1, S.E.E.D. Official #4)
Recurring: Brad Swaile (Chris Hawken), Brittney Irvin (Cindy Klein), Fiona Hogan (Juna's Mother), Samantha Ferris (Teresa Wong), Tabitha St. Germain (Sayuri Shirakawa)
Incidental: Tabitha St. Germain (TV Anchor), Trevor Devall (White S.E.E.D. Soldier, Dance Mania Electric Hour DJ)
Recurring: Brad Swaile (Chris Hawken), Brittney Irvin (Cindy Klein)
Episodic: Richard Newman (Old Man)
Recurring: Brad Swaile (Chris Hawken), Brittney Irvin (Cindy Klein), Fiona Hogan (Juna's Mother), Samantha Ferris (Teresa Wong), Tabitha St. Germain (Sayuri Shirakawa), Trevor Devall (Commander Onizuka)
Episodic: Eli Gabay (Juna's Father), Lee Tockar (S.E.E.D. Medical Technician #1), Richard Newman (Old Man), Sylvia Zaradic (S.E.E.D. Medical Technician #2)
Recurring: Brad Swaile (Chris Hawken), Samantha Ferris (Teresa Wong), Tabitha St. Germain (Sayuri Shirakawa), Trevor Devall (Commander Onizuka)
Episodic: Eli Gabay (Juna's Father), Michael Dobson (Mr. Sakurai)
Incidental: Brad Swaile (Boy in Booth), Kelly Sheridan (Student, Girl in Booth)
Recurring: Brad Swaile (Chris Hawken), Brittney Irvin (Cindy Klein), Samantha Ferris (Teresa Wong), Tabitha St. Germain (Sayuri Shirakawa), Trevor Devall (Commander Onizuka)
Episodic: Richard Newman (S.E.E.D. Medical Technician #3)
Incidental: Brad Swaile (Security Guard), Jenn Forgie (S.E.E.D. Medical Technician #1), Michael Dobson (Literature Teacher), Richard Newman (S.E.E.D. System Controller #1)
Recurring: Brad Swaile (Chris Hawken), Brittney Irvin (Cindy Klein), Fiona Hogan (Juna's Mother), Samantha Ferris (Teresa Wong), Tabitha St. Germain (Sayuri Shirakawa), Trevor Devall (Commander Onizuka)
Episodic: Alaina Burnett (Kaine Ariyoshi), Brian Dobson (Wong's Assistant), Nicole Oliver (Mizuho Oshima), Richard Newman (Old Man)
Incidental: Richard Newman (Michael Resnick, S.E.E.D. System Controller #1), Trevor Devall (Bobby)
Recurring: Brad Swaile (Chris Hawken), Brittney Irvin (Cindy Klein), Fiona Hogan (Juna's Mother), Tabitha St. Germain (Sayuri Shirakawa), Trevor Devall (Commander Onizuka)
Episodic: Alaina Burnett (Kaine Ariyoshi)
Incidental: Alistair Abell (S.E.E.D. Scientist #3), Brian Dobson (Carousel Operator, S.E.E.D. Scientist #2), Jenn Forgie (S.E.E.D. Scientist #1), Nicole Oliver (Pregnant Mother, Shima Hospital Nurse), Richard Newman (Shima Hospital Doctor)
Recurring: Brad Swaile (Chris Hawken)
Episodic: John Novak (Mr. Oshima), Nicole Oliver (Mizuho Oshima)
Incidental: Brian Dobson (TV Reporter), Trevor Devall (Chemical Engineer)
Recurring: Brad Swaile (Chris Hawken), Brittney Irvin (Cindy Klein), Samantha Ferris (Teresa Wong), Tabitha St. Germain (Sayuri Shirakawa), Trevor Devall (Commander Onizuka)
Episodic: Brenna O'Brien (Yukari Shirakawa), Danny McKinnon (Kimitoshi Shirakawa)
Incidental: Nicole Oliver (Restraunt Waitress), Ward Perry (Sayuri's Father, S.E.E.D. Soldier #3)
Recurring: Brad Swaile (Chris Hawken), Brittney Irvin (Cindy Klein), Samantha Ferris (Teresa Wong), Tabitha St. Germain (Sayuri Shirakawa), Trevor Devall (Commander Onizuka)
Episodic: Brenna O'Brien (Yukari Shirakawa), Brian Drummond (S.E.E.D. Official #2), Danny McKinnon (Kimitoshi Shirakawa), John Murphy (US S.E.E.D. Director), Matt Smith (S.E.E.D. Official #1), Sylvia Zaradic (S.E.E.D. Official #3)
Incidental: Brian Dobson (Shelter Doctor), Brian Drummond (TV Anchor, Man at Shelter), Ellen Kennedy (Woman at Shelter, S.E.E.D. Operator #1), Matt Smith (TV Commerical), Michael Adamthwaite (S.E.E.D. Operator #2), Nicole Oliver (Woman at Shelter, S.E.E.D. Operator #3), Saffron Henderson (S.E.E.D. Official #4, Woman at Shelter), Sylvia Zaradic (Woman at Shelter), Ward Perry (Sayuri's Father, Man at Shelter)
Recurring: Brad Swaile (Chris Hawken), Brittney Irvin (Cindy Klein), Tabitha St. Germain (Sayuri Shirakawa), Trevor Devall (Commander Onizuka)
Episodic: Brenna O'Brien (Yukari Shirakawa), Sylvia Zaradic (S.E.E.D. Official #3)
Incidental: Trevor Devall (Bobby)
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