Full cast - Alien Defender Geo-Armor: Kishin Corps (OVA) (episodes 1 to 7)

• 1. Mission Call for Kishin Thunder

  Recurring: Janyse Jaud (Maria Braun, Eva Braun), L. Harvey Gold (Col. Matoi Shinkai), Larry Musser (Yoshimitsu "Bill" Suguro), Mark Hildreth (Jack), Robert O. Smith (Sgt. Masao Goto), Venus Terzo (Lt. Yoshiko Fujishima)

  Episodic: Andrea Libman (Cookie), Christopher Turner ("Captain"), Hiroshi Hyde (Mack), Marcus Turner (Fay), Tracy Lee Smyth (Pearl)

  Incidental: David Kaye (Japanese Passenger #1), Janyse Jaud (Mrs. Takamura), Michael Donovan (Japanese Passenger #1), Scott Swanson (Mr. Takamura)

• 2. Surprise Attack! Battle of the Island Fortress

  Recurring: Janyse Jaud (Maria Braun, Eva Braun), L. Harvey Gold (Col. Matoi Shinkai), Larry Musser (Yoshimitsu "Bill" Suguro), Robert O. Smith (Sgt. Masao Goto), Venus Terzo (Lt. Yoshiko Fujishima)

  Episodic: Paul Dobson (Captain Nakajima)

  Incidental: Paul Dobson (Mr. Katzberg)

• 3. The Battle! Operation Runaway Train

  Recurring: Janyse Jaud (Eva Braun), L. Harvey Gold (Col. Matoi Shinkai), Larry Musser (Yoshimitsu "Bill" Suguro), Paul Dobson (Sgt. Tamura), Robert O. Smith (Sgt. Masao Goto), Venus Terzo (Lt. Yoshiko Fujishima)

  Episodic: Terry Klassen (Engineer Oishi)

  Incidental: Michael Donovan (Support Crew), Paul Dobson (Kanto Messenger), Robert O. Smith (Hanzawa, Support Crew)

• 4. Kishin vs. Panzer Knight (1)

  Recurring: Janyse Jaud (Maria Braun, Eva Braun), L. Harvey Gold (Col. Matoi Shinkai), Larry Musser (Yoshimitsu "Bill" Suguro), Mark Hildreth (Jack), Paul Dobson (Hans Ringer), Robert O. Smith (Sgt. Masao Goto), Venus Terzo (Lt. Yoshiko Fujishima)

  Episodic: Paul Dobson (Captain Nakajima), Terry Klassen (Albert Einstein, Engineer Oishi)

  Incidental: Michael Donovan (Yoshida), Robert O. Smith (Hanzawa), Venus Terzo (Helen)

• 5. Kishin vs. Panzer Knight (2)

  Recurring: Janyse Jaud (Maria Braun, Eva Braun), L. Harvey Gold (Col. Matoi Shinkai), Larry Musser (Yoshimitsu "Bill" Suguro), Mark Hildreth (Jack), Paul Dobson (Hans Ringer, Sgt. Tamura), Robert O. Smith (Sgt. Masao Goto), Venus Terzo (Lt. Yoshiko Fujishima)

  Episodic: Christopher Turner ("Captain"), Tracy Lee Smyth (Pearl)

  Incidental: David Kaye (Soldier), Janyse Jaud (Dorothy), Paul Dobson (Driver, Professor)

• 6. Storming the Base of the Alien Foe

  Recurring: Janyse Jaud (Maria Braun, Eva Braun), L. Harvey Gold (Col. Matoi Shinkai), Larry Musser (Yoshimitsu "Bill" Suguro), Mark Hildreth (Jack), Paul Dobson (Hans Ringer, Sgt. Tamura), Robert O. Smith (Sgt. Masao Goto), Venus Terzo (Lt. Yoshiko Fujishima)

  Episodic: Christopher Turner ("Captain"), Tracy Lee Smyth (Pearl)

  Incidental: Michael Donovan (Uemura, Soldier), Robert O. Smith (Hanzawa)

• 7. Youth to the Rescue

  Recurring: Janyse Jaud (Maria Braun, Eva Braun), L. Harvey Gold (Col. Matoi Shinkai), Larry Musser (Yoshimitsu "Bill" Suguro), Mark Hildreth (Jack), Paul Dobson (Hans Ringer, Sgt. Tamura), Robert O. Smith (Sgt. Masao Goto), Venus Terzo (Lt. Yoshiko Fujishima)

  Incidental: Robert O. Smith (Hanzawa)