Harland Williams
Fred Z. Randall

Jessica Lundy
Julie Ford

William Sadler
Wild Bill Overbeck

Jeffrey DeMunn
Paul Wick

James Pickens Jr.
Ben Stevens

Beau Bridges
Bud Nesbitt

Peter Onorati
Gary Hackman

Don Lake
Le Chirurgien du Vol

Bill Jenkins
Mission Controller

Ken Farmer
Mission Controller

Blake Boyd
Gordon A. Peacock

Paxton Whitehead
British Reporter

Sean Tweedley
NASA Lab Tech

Cindy Hogan
Reporter

Lidia Porto
Gary's Nurse

Richard Dillard
The President

Gil Glasgow
Bartender

Shelley Duvall
Mrs. Randall (uncredited)

Gailard Sartain
Mr. Randall (uncredited)