character - Bob Sibley

character - Amos

character - Fred Dunbar

character - Frank McIntosh

character - Russ

character - Dr. Whitmore

character - Professor Whitmore

character - Anchor Man

character - Larry Hamilton

character - David Callaway

character - U. N. Official #1

character - Mr. Brooks

character - Judge

character - Newscaster

character - Dr. Bruce Kimball

character - Atherton

character - Brendan Riley

character - TV Reporter

character - Devore

character - Harkness

character - Crawford

character - Sgt. Topf

character - Crawford

character - Patrolman

character - Military Computer Entry - Missile Launch (uncredited)

character - C-47 Transport Pilot (uncredited)

character - Dr. Barnes

character - Jay Simmons

character - Ernest Fields

character - Paul Soren

character - Party Guest

character - Man (uncredited)

character - Agent

character - Agent Mark Kress

character - Agent Davis

character - Emmet

character - Duty Officer

character - Telegraph Operator

character - John Tremont

character - Slow Boy (uncredited)

character - Harper