Lord Doom

Michael Guerin

Lord Doom (voice)

Jerry Lentz

Chamberlain

Jon Simanton

Curtis

Alison Lohman

Alma James

Teal Marchande

Captain Ruric

Robert Garcia

Team Leader

Jeff Rector

Monroe

Robert J. Ferrelli

Captain Ruric (as Coltin Scott)

Stephen Martines

Wheeler

Leon W. Grant

Team Member

Jeffery Meyer

Bobby Machek

R.L. McMurry

Lt. Able

Candida Tolentino

Landerson

David Wall

Scientist

Deborah Hatch

Garth

Anthony Furlong

Kraa

John Paul Fedele

Mogyar

Michael Citriniti

Nuclear Power Plant Supervisor (Uncredited)

Mark Costello