as Dan
as First Officer Larsen
as FBI Agent (uncredited)
as Husband
as Club Member
as Ben
as Quentin Crane
as Aide #1
as Rick Bonner
as Roy Dowson
as Jeff Bronson
as Sen. Daniel Garrity
as Young Engineer
as Gordon Kramer
as F.B.I. Agent Bill Murray
as George Bowman
as Dr. Mel Kenbrook
as Cousin Jeff
as Neal Fairburn
as MSgt. Parnell
as Joe Streeter
as Chuck Cramer
as Michael Russell
as Sheriff Lamar Hendricks
as Maj. John Lorne
as Officer Cookham
as Dan Scott
as Agent Bill Hagedorn
as Peter Griffith
as Ed Garner, SAC
as Chester Skinner
as Fred Williams
as Dan Benedict
as Fred Boyle
as Jerry Kessler
as Golf champion
as Ted Brown
as Lt. Robert Driscoll
as Burt Newcomb
as Wilkes
as Tomkins
as Detective - Missing Persons Bureau
as Inspector Sawyer
as Capt. Stephan Decatur
as Charlie Harris
as Mr. Kenworthy
as Lieutenant
as Captain Blythe
as Peter Radin
as C.C. Capwell
