Brian McNamara

Jonathan Hays - Command Specialist

Jason Michas

Jessie Bienstock - Computer Sciences

Duncan Regehr

Jacob Brown - Former Commander

Julia Montgomery

Sally Arthur, MD - Space Medicine

Tom Bresnahan

Huxley Welles - Navigation(as Tom Breznahan)

Margaret Langrick

Luz Sansone - Communication

Sean O'Byrne

Vance Arthur

Peter Donat

Admiral Beasley

Ric Reid

Capt. Forbes

Frank C. Turner

Willy

Dinah Gaston

Lani Miyori - Communication

Bruce Harwood

Leland Eugene, MD - Psychiatrist

Bill Croft

Trager

John 'Bear' Curtis

Whistlestick

Stephen Dimopoulos

The Crier

Nigel Harvey

Security Leader

Andrew Kavadas

Brody

Barry Kennedy

Lt. Matthews

Kevin McNulty

Cmdr. Gardiner

Jennifer Michas

Jeannie

Stephen E. Miller

Lt. Krieger

Enid Saunders

Elderly Woman

Mike Stack

Crewman #1

Sandy Tucker

Mrs. Bienstock

Meredith Bain Woodward

Mrs. Hays

Henry Kingi

Shell(uncredited)

Lynnette Mettey

Priscilla(uncredited)