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