Cast and credits of The Groundstar Conspiracy

Directed by

Lamont Johnson

Starring

George Peppard
Tuxan

Michael Sarrazin
John David Welles / Peter Bellamy

Christine Belford
Nicole Devon

Cliff Potts
Carl Mosely

James Olson
Sen. Stanton

Tim O'Connor
Frank Gossage

James McEachin
Bender

Alan Oppenheimer
Gen. Hackett

Anna Hagan
Dr. Plover (as Anna Hagen)

Hagan Beggs
Dr. Hager (as Hagen Beggs)

Barry Cahill
Reporter

Written by

Leslie P. Davies
(novel The Alien) (as L.P. Davies)

Douglas Heyes
(screenplay) (as Matthew Howard)