Alan Marshal

as Larry Littrell

as Hal Crane

as Warren Millett (as Alan Marshall)

as Dr. David Trent

as Noel Reynolds

as James Kincaid Alias Duane Jefferson

as Bart Grover

as Col. Lucius Starkey

as Raymond Armbruster

as Ted

as William Pryor

as Captain Anthony Travis

as John Ashwood

as (archive footage)

as Richard Mason

as Dick

as Roger Peyton

as Andre Dorlay

as Bob Vincent

as Leslie Yates

as Jerrold Hunter

as Phoebus

as Steve Reynolds

as Dr. Stephen 'Steve' Melford

as Marquis Andre D'Abbencourt

as Walter Crawford

as Jeffrey Clavering

as Michael Shaw

as Capt. d'Ornano

as Captain William 'Willie' O'Shea

as Justin Laurie

as Robert Landis

as Capt. De Trevignac