Recurring: Alison Retzloff (Amy), Clarine Harp (Sei), Greg Ayres (Kyohei Tachibana), R. Bruce Elliott (Narrator)
Episodic: Dave Trosko (Ichimonji), R. Bruce Elliott (Grey Capo), Wendy Powell (Ms. Hongo)
Additional Voices: Andrew Chandler, Bob Carter, Brad Jackson, Brina Palencia, Jeff Johnson, John Burgmeier, Lucy Small, Ricky Page, Sean Teague, Troy Williams
Song: Caitlin Glass (Sings "Under the Sky" Ending Theme)
Recurring: Alison Retzloff (Amy), Clarine Harp (Sei), Greg Ayres (Kyohei Tachibana), R. Bruce Elliott (Narrator)
Episodic: Jerome Fifty-Seven (Thug Boss)
Additional Voices: Adrian Cook, Bob Carter, Dan Blankenslip, Jeff Johnson, Lucy Small, Orion Pitts, Ricky Page, Sean Teague, Troy Williams
Song: Caitlin Glass (Sings "Under the Sky" Ending Theme)
Recurring: Alison Retzloff (Amy), Clarine Harp (Sei), Greg Ayres (Kyohei Tachibana), R. Bruce Elliott (Narrator)
Episodic: Chuck Huber (Wong), Dave Trosko (Ichimonji), Wendy Powell (Ms. Hongo)
Additional Voices: Andrew Chandler, Brad Jackson, Jeff Johnson, Lucy Small, Orion Pitts, Ricky Page, Sean Teague, Troy Williams
Song: Caitlin Glass (Sings "Under the Sky" Ending Theme)
Recurring: Alison Retzloff (Amy), Clarine Harp (Sei), Greg Ayres (Kyohei Tachibana), R. Bruce Elliott (Narrator)
Episodic: Andrew Chandler (Mac), Chuck Huber (Wong), Dave Trosko (Spike), Robert McCollum (Liang)
Additional Voices: Brina Palencia, Chris Cason, Daniel Katsuk, Jakie Cabe, Josh Martin, Kyle Hebert, Rob Bricken, Will Helms
Song: Caitlin Glass (Sings "Under the Sky" Ending Theme)
Recurring: Alison Retzloff (Amy), Clarine Harp (Sei), Greg Ayres (Kyohei Tachibana), R. Bruce Elliott (Narrator)
Episodic: Elise Baughman (Angelique), Laura Bailey (Nadesico), Meredith McCoy (Yoko)
Additional Voices: Amber Cotton, Brina Palencia, Cynthia Cranz, Kate Borneman, Laurie Steele, Leah Clark, Lucy Small, Pam Dougherty, Stephanie Young
Song: Caitlin Glass (Sings "Under the Sky" Ending Theme)
Recurring: Alison Retzloff (Amy), Clarine Harp (Sei), Greg Ayres (Kyohei Tachibana), R. Bruce Elliott (Narrator)
Episodic: Elise Baughman (Angelique), Laura Bailey (Nadesico), Meredith McCoy (Yoko)
Additional Voices: Amber Cotton, Brina Palencia, Cynthia Cranz, Kristin McCollum, Leah Clark, Lucy Small, Pam Dougherty, Stephanie Young
Song: Caitlin Glass (Sings "Under the Sky" Ending Theme)
Recurring: Alison Retzloff (Amy), Clarine Harp (Sei), Greg Ayres (Kyohei Tachibana), R. Bruce Elliott (Narrator)
Episodic: Jessica Dismuke (Kazami)
Additional Voices: Doug Burks, Jakie Cabe, Mark Lancaster, Mark Stoddard, Sonny Strait, Stephanie Nadolny
Song: Caitlin Glass (Sings "Under the Sky" Ending Theme)
Recurring: Alison Retzloff (Amy), Clarine Harp (Sei), Greg Ayres (Kyohei Tachibana), R. Bruce Elliott (Narrator)
Additional Voices: Bill Flynn, Doug Burks, Jakie Cabe, Linda Chambers Young, Lydia Mackay, Mark Lancaster, Pam Dougherty
Song: Caitlin Glass (Sings "Under the Sky" Ending Theme)
Recurring: Alison Retzloff (Amy), Clarine Harp (Sei), Greg Ayres (Kyohei Tachibana), R. Bruce Elliott (Narrator)
Episodic: Bill Flynn (Laoban), Brad Jackson (Old Man Lee), Michael Sinterniklaas (Jay)
Additional Voices: Jerome 57, Bob Carter, Dave Little, Jeff Johnson, Lauren Goode, Lucy Small, Randy Tallman, Robert Colin, Troy Baker
Song: Caitlin Glass (Sings "Under the Sky" Ending Theme)
Recurring: Alison Retzloff (Amy), Clarine Harp (Sei), Greg Ayres (Kyohei Tachibana), Mike McFarland (Leo), R. Bruce Elliott (Narrator)
Additional Voices: Antimere Robinson, Chad Bowers, Chad Cline, Dave Little, Jeff Johnson, Josh Martin, Kyle Hebert, Lauren Goode, Lucy Small, Mark Orvik, Randy Tallman, Robert Colin, Sean Teague
Song: Caitlin Glass (Sings "Under the Sky" Ending Theme)
Recurring: Alison Retzloff (Amy), Caitlin Glass (Takane Katsu), Clarine Harp (Sei), Greg Ayres (Kyohei Tachibana), R. Bruce Elliott (Narrator)
Episodic: Christopher R. Sabat (Insp. Iriki), Jeremy Inman (Mega Rider), Jerry Russell (Estrada), Kyle Hebert (Det. Masa-Yan), Phil Parsons (Tetsuzo)
Additional Voices: Brad Jackson, Dave Little, Doug Burks, Jakie Cabe, Josh Martin, Mark Lancaster, Mark Stoddard, Matt Tompkins
Song: Caitlin Glass (Sings "Under the Sky" Ending Theme)
Recurring: Alison Retzloff (Amy), Caitlin Glass (Takane Katsu), Clarine Harp (Sei), Greg Ayres (Kyohei Tachibana), Mike McFarland (Leo), R. Bruce Elliott (Narrator)
Episodic: Brice Armstrong (Chief Katsu), Christopher R. Sabat (Insp. Iriki), Kent Williams (Ishihara), Kyle Hebert (Det. Masa-Yan), Phil Parsons (Tetsuzo)
Additional Voices: Amber Cotton, Brad Jackson, Daniel Penz, Doug Burks, Jakie Cabe, Josh Martin, Troy Baker
Song: Caitlin Glass (Sings "Under the Sky" Ending Theme)
Recurring: Alison Retzloff (Amy), Caitlin Glass (Takane Katsu), Clarine Harp (Sei), Greg Ayres (Kyohei Tachibana), Mike McFarland (Leo), R. Bruce Elliott (Narrator)
Episodic: Brice Armstrong (Chief Katsu), Christopher R. Sabat (Insp. Iriki), Kyle Hebert (Det. Masa-Yan), Phil Parsons (Tetsuzo)
Incidental: Luci Christian (Milly)
Additional Voices: Amber Cotton, Brad Jackson, Cynthia Cranz, Daniel Penz, Greg Dulcie, Jakie Cabe, Leah Clark, Stephanie Nadolny, Stephanie Young
Song: Caitlin Glass (Sings "Under the Sky" Ending Theme)
Recurring: R. Bruce Elliott (Narrator)
Episodic: Aaron Dismuke (Charlie), Bob Carter (Sam), Charlet Dupar (Dorothy), Gwendolyn Lau (Lava)
Incidental: Ashley Moynihan (Shirley), Leah Clark (Daugter), Stephanie Young (Sam's Wife)
Additional Voices: Charles Bolton, Daniel Penz, Dave Little, John Burgmeier, Matt Tompkins, Robert McCollum, Troy Baker
Song: Caitlin Glass (Sings "Under the Sky" Ending Theme)
Recurring: Alison Retzloff (Amy), Clarine Harp (Sei), Greg Ayres (Kyohei Tachibana), Mike McFarland (Leo), R. Bruce Elliott (Narrator)
Episodic: Adrian Cook (Kid B), Charles Bolton (Kid C), Dave Trosko (Ichimonji), Justin Pate (Kid A), Kent Williams (Ishihara)
Incidental: Luci Christian (Kazami)
Additional Voices: Ed Blaylock, Greg Dulcie, Gwendolyn Lau, Jerry Zumwalt, Josh Martin, Kevin M. Connolly
Song: Caitlin Glass (Sings "Under the Sky" Ending Theme)
Recurring: Alison Retzloff (Amy), Clarine Harp (Sei), Mike McFarland (Leo), R. Bruce Elliott (Narrator)
Episodic: Jonathan C. Osborne (Wanted Man)
Incidental: Josh Martin (Warrior A), Robert Colin (Warrior B)
Song: Caitlin Glass (Sings "Under the Sky" Ending Theme)
Recurring: Clarine Harp (Sei), Mike McFarland (Leo), R. Bruce Elliott (Narrator)
Episodic: Colleen Clinkenbeard (Maria)
Song: Caitlin Glass (Sings "Under the Sky" Ending Theme)
Recurring: Alison Retzloff (Amy), Clarine Harp (Sei), Greg Ayres (Kyohei Tachibana), R. Bruce Elliott (Narrator)
Episodic: Chris Patton (Eiji), Johnny Yong Bosch (Akio)
Incidental: Ed Blaylock (Akio's Dad), Grant James (Doctor), Greg Dulcie (Yakuza Boss)
Additional Voices: Brad Jackson, Brina Palencia, Jay Moses, Jeff Johnson, Jonathan C. Osborne, Mark Stoddard, Markus Lloyd, Troy Williams, Zarah Little
Song: Caitlin Glass (Sings "Under the Sky" Ending Theme)
Recurring: Alison Retzloff (Amy), Caitlin Glass (Takane Katsu), Clarine Harp (Sei), Mike McFarland (Leo), R. Bruce Elliott (Narrator)
Episodic: John Burgmeier (Hiroki)
Incidental: Andrew Haskett (Director), Chris Bevins (Nose Ring), Chris Cason (Announcer), Kate Borneman (Tour Guide), Randy Tallman (Doctor)
Additional Voices: Dana Schultes, Dave Trosko, Jerry Russell, John Swasey, Matt Tompkins, Sonny Strait, Stephanie Young
Song: Caitlin Glass (Sings "Under the Sky" Ending Theme)
Recurring: Alison Retzloff (Amy), Caitlin Glass (Takane Katsu), Clarine Harp (Sei), R. Bruce Elliott (Narrator)
Episodic: Anthony Bowling (Tatsuya), Barry Yandell (Scientist), Cynthia Cranz (Mika), Doug Burks (Lab Assistant A), Kent Williams (Ishihara)
Incidental: Gwendolyn Lau (Secretary), Jeff Johnson (Lab Assistant B)
Additional Voices: Andrew Rye, Andy Mullins, Brad Jackson, John Swasey, Kevin M. Connolly, Randy Tallman
Song: Caitlin Glass (Sings "Under the Sky" Ending Theme)
Recurring: Alison Retzloff (Amy), Caitlin Glass (Takane Katsu), Clarine Harp (Sei), Greg Ayres (Kyohei Tachibana), Mike McFarland (Leo), R. Bruce Elliott (Narrator)
Episodic: Dave Trosko (Ichimonji), Jerry Russell (Governor Glenford), Kent Williams (Ishihara)
Incidental: Jay Klein (Lee Harvey)
Additional Voices: Andy Mullins, Brina Palencia, Cole Brown, Dave Little, Grant James, Kate Borneman, Orion Pitts, Precious Hill, Steve Baptista
Song: Caitlin Glass (Sings "Under the Sky" Ending Theme)
Recurring: Caitlin Glass (Takane Katsu), Clarine Harp (Sei), Greg Ayres (Kyohei Tachibana), Mike McFarland (Leo), R. Bruce Elliott (Narrator)
Episodic: Brice Armstrong (Chief Katsu), Colleen Clinkenbeard (Maria), Dave Trosko (Ichimonji), Gwendolyn Lau (Lava), Jerry Russell (Governor Glenford), John Swasey (Professor), Linda Chambers Young (Dr. Quinn)
Additional Voices: Andy Mullins, Christine M. Auten, Craig Dvorak, J. Michael Tatum, John Swasey, Kate Borneman, Linda Chambers Young, Orion Pitts
Song: Caitlin Glass (Sings "Under the Sky" Ending Theme)
Recurring: R. Bruce Elliott (Narrator)
Episodic: Colleen Clinkenbeard (Maria), Jerry Russell (Governor Glenford), John Swasey (Professor), Linda Chambers Young (Dr. Quinn)
Incidental: Gwendolyn Lau (Asisstant)
Additional Voices: Brina Palencia, Chris Cason, J. Michael Tatum, Jim Johnson
Song: Caitlin Glass (Sings "Under the Sky" Ending Theme)
Recurring: Alison Retzloff (Amy), Caitlin Glass (Takane Katsu), Clarine Harp (Sei), Greg Ayres (Kyohei Tachibana), Mike McFarland (Leo), R. Bruce Elliott (Narrator)
Episodic: Bill Flynn (Laoban), Colleen Clinkenbeard (Maria), Jerry Russell (Governor Glenford)
Additional Voices: Jerome 57, Andy Mullins, Chad Bowers, Dave Little, Doug Burks, Jay Klein, Mark Lancaster, Orion Pitts
Song: Caitlin Glass (Sings "Under the Sky" Ending Theme)
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