Recurring: Baji Smith (Toko Gusuku), Boise Holmes (Shidll Dedson), Danielle Sullivan (Mei-Ling Haung), Edi Wagenseller (Makio Yamada), Jeff Johnston (Yuri Malakofski), Juliet Cesario (Mutio), Mike Way (Jung Zorndyke), Pete Vinal (J.J. Barnell), Scott Simpson (Verg), Shane Callahan (Myong Hea Yun), Traci Dinwiddie (Freeda Verasco)
Episodic: Ali Bell (Beast), D.C. Kennedy (Hugh W. Conwell), Edwin Holt (XO), J.R. Rodriguez (Captain of the Narushio), Jerry Riggs (Beast), Kiska Meadows (Inko), M.B. Cartell (Beast), Morgan Drexel (OP), Peter Lasko (Beast), Scott Bailey (Pilot), Tippsie Gillis (Women)
Incidental: Stan Wood (Sonar 1)
Additional Voices: Bill Flaman, Daniel Richani, Robin Robertson, Sean P. O'Connell, Tamara Burnham Mercer
Recurring: Baji Smith (Toko Gusuku), Boise Holmes (Shidll Dedson), Danielle Sullivan (Mei-Ling Haung), Edi Wagenseller (Makio Yamada), Jeff Johnston (Yuri Malakofski), Juliet Cesario (Mutio), Mike Way (Jung Zorndyke), Pete Vinal (J.J. Barnell), Scott Simpson (Verg), Shane Callahan (Myong Hea Yun), Traci Dinwiddie (Freeda Verasco)
Episodic: Ali Bell (Beast), Andrew Masset (Professor Marunami), Bob Edwards (Sukune Tsuji), Cullen Moss (Alexander David Cekeros), D.C. Kennedy (Hugh W. Conwell), Edwin Holt (XO), J.R. Rodriguez (Captain of the Narushio), Jerry Riggs (Beast), Kiska Meadows (Inko), M.B. Cartell (Beast), Michael Brady (Engineer), Mike McGovern (Kouichi Nakamura), Peter Lasko (Beast), Rhonda Bellamy (General Gilford), Rick Forrester (Novo), Scott Bailey (Pilot)
Incidental: Stan Wood (Sonar 1)
Additional Voices: Bill Flaman, Daniel Richani, Paul Johnson
Recurring: Baji Smith (Toko Gusuku), Boise Holmes (Shidll Dedson), Danielle Sullivan (Mei-Ling Haung), Edi Wagenseller (Makio Yamada), Jeff Johnston (Yuri Malakofski), Juliet Cesario (Mutio), Mike Way (Jung Zorndyke), Pete Vinal (J.J. Barnell), Scott Simpson (Verg), Shane Callahan (Myong Hea Yun), Traci Dinwiddie (Freeda Verasco)
Episodic: Ali Bell (Beast), Jerry Riggs (Beast), Justin Smith (Katsuma Nonaka), Kara Houck (Daughter of Beast), Kiska Meadows (Inko), M.B. Cartell (Beast), Pam McChino (Women), Peter Laniv (Beast B), Peter Lasko (Akihiro Okawa, Beast), Scott Bailey (Beast A), Thomas Bruning (Red Spot)
Recurring: Baji Smith (Toko Gusuku), Danielle Sullivan (Mei-Ling Haung), Edi Wagenseller (Makio Yamada), Jeff Johnston (Yuri Malakofski), Juliet Cesario (Mutio), Mike Way (Jung Zorndyke), Pete Vinal (J.J. Barnell), Scott Simpson (Verg), Shane Callahan (Myong Hea Yun), Traci Dinwiddie (Freeda Verasco)
Episodic: Bill Flaman (Operator A), Bryan Bolick (Captain Maracott of the Umera), Chris Nubel (Operator B), Cullen Moss (Alexander David Cekeros), D.C. Kennedy (Hugh W. Conwell), Ed Cord (Launch Control), Jason Hatfield (Villager, Beast B), Jeff Call (Beast C), Juliet Cesario (Villager), Justin Smith (Katsuma Nonaka), Kara Houck (Daughter of Beast), Kazu Takeda (Captain Shou of the Shang), Maxwell Paige (Shidll Dedson), Michael Brady (Villager, Beast D), Mike McGovern (Kouichi Nakamura), Pam McChino (Women), Peter Lasko (Akihiro Okawa), Rhonda Bellamy (General Gilford), Rick Forrester (Novo), Tony Schnur (Villager, Beast A), Treena Hales (Villager)
Additional Voices: Bill Flaman, Chris Nubel, Ed Cord
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