
Cast

James Whitmore
Sgt. Ben Peterson

James Arness
FBI Agent Robert Graham

Joan Weldon
Dr. Pat Medford

Edmund Gwenn
Dr. Harold Medford

Onslow Stevens
Brig. Gen. Robert O'Brien

Sean McClory
Maj. Kibbee

Sandy Descher
The Ellinson Girl

Chris Drake
Trooper Ed Blackburn

Don Shelton
Trooper Capt. Fred Edwards

Fess Parker
Alan Crotty
MAH
Mary Alan Hokanson
Mrs. Lodge

Olin Howland
Jensen

William Schallert
Ambulance Attendant

Ann Doran
Child Psychiatrist

Dub Taylor
Railroad Yard Watchman

Leonard Nimoy
Army Sergeant

Richard Deacon
Bald Reporter at L.A. News Conference

Forbes Murray
Government Official

Kenner G. Kemp
Trooper #2
CP
Charles Perry
Soldier

Dorothy Green
Matron

Willis Bouchey
Official at D.C. Meeting
MLH
Mary Lou Holloway
Blonde at Police Station

Dick York
Teenager in Police Station
Crew
DW
David Weisbart
Production

Gordon Douglas
Directing
TS
Ted Sherdeman
Writing

Bronislau Kaper
Sound
SH
Sidney Hickox
Camera
TR
Thomas Reilly
Editing
RSH
Russell S. Hughes
Writing

George Worthing Yates
Writing
SF
Stanley Fleischer
Art
GB
G.W. Berntsen
Art
GB
Gordon Bau
Costume & Make-Up
FJS
Francis J. Scheid
Sound
MM
Moss Mabry
Costume & Make-Up
HV
Henry Vilardo
Costume & Make-Up
RT
Robert Turner
Art



















