Brian Bosworth

as Captain Jack Tyree

Shannon Whirry

as Shannon Carpenter

Michael Dorn

as Rogers

Cliff Robertson

as Vice President Pike

Bruce Weitz

as Phil Jefferson

Andrew Stevens

as Commander Stevens

Robert Pine

as Captain Roman

David Hedison

as Stuart Davis

Jennifer Hammon

as Gina Kendall

John Putch

as Tim Mandell

Charles Cyphers

as Harry Olson

Ron Chaney

as Captain Wallace

Sondra Currie

as Courtney Davis

Lance Guest

as Keith Dorman

Don Mandigo

as Landsdale

John Michael Morgan

as Hall

Richard 'Rick' Partlow

as Baker

Clark Reiner

as Whitney

Jan Speck

as Linda Carson

Amir Aboulela

as Furth

Austin Stoker

as Edwards

Ai Wan

as Wendy Carson

Ladd York

as Lt. Fisher

Nikki Fritz

as Jill

Tom Simmons

as Ted

Jean-Paul Vignon

as Andre

Peter Looney

as George Curtis

Grant Cramer

as Agent Lyndon