Sgt. Ben Peterson

James Whitmore

Acting

FBI Agent Robert Graham

James Arness

Acting

Dr. Pat Medford

Joan Weldon

Acting

Dr. Harold Medford

Edmund Gwenn

Acting

Brig. Gen. Robert O'Brien

Onslow Stevens

Acting

Maj. Kibbee

Sean McClory

Acting

The Ellinson Girl

Sandy Descher

Acting

Trooper Ed Blackburn

Chris Drake

Acting

Trooper Capt. Fred Edwards

Don Shelton

Acting

Alan Crotty

Fess Parker

Acting

Mrs. Lodge

Mary Alan Hokanson

Acting

Jensen

Olin Howland

Acting

Ambulance Attendant

William Schallert

Acting

Child Psychiatrist

Ann Doran

Acting

Railroad Yard Watchman

Dub Taylor

Acting

Army Sergeant

Leonard Nimoy

Acting

Bald Reporter at L.A. News Conference

Richard Deacon

Acting

Government Official

Forbes Murray

Acting

Trooper #2

Kenner G. Kemp

Acting

Soldier

Charles Perry

Acting

Matron

Dorothy Green

Acting

Official at D.C. Meeting

Willis Bouchey

Acting

Blonde at Police Station

Mary Lou Holloway

Acting

Teenager in Police Station

Dick York

Acting