Captain Jack Griffin
Crank Wowchowski
Anna Davis
Dean Rieser (as Peter Graham Gaudreau)
Cassidy
Mel Rodgers
Bobby Gibbons
Dixon
Cole Griffin
Captain Mark Stewart (as Craig Brunanski)
Lance Taylor
Prouty
Professor Glenda Marshall
Dr. Edgar Pretorious
Peters
Commander Korda
Mr. Paul (as Michael Rogers)
Bob Davis
Cindy Mayberry
Captain Jack's Father
Edward Lynch
General Bulworth (as Peter Lacroix)
Young Jack Griffin
Young Cole Griffin
Poncho Man (as J. Paul Mackenzie)
Maggie
Taylor (as Jake Smith)
Michael Roger
Scientist (uncredited)
(uncredited)