Them!

James Whitmore

as

Sgt. Ben Peter...

James Arness

as

FBI Agent Robe...

Joan Weldon

as

Dr. Pat Medford

Edmund Gwenn

as

Dr. Harold Med...

Onslow Stevens

as

Brig. Gen. Rob...

Sean McClory

as

Maj. Kibbee

Sandy Descher

as

The Ellinson G...

Chris Drake

as

Trooper Ed Bla...

Don Shelton

as

Trooper Capt. ...

Fess Parker

as

Alan Crotty

Mary Alan Hoka...

as

Mrs. Lodge

Olin Howland

as

Jensen

William Schall...

as

Ambulance Atte...

Ann Doran

as

Child Psychiat...

Dub Taylor

as

Railroad Yard ...

Leonard Nimoy

as

Army Sergeant

Richard Deacon

as

Bald Reporter ...

Forbes Murray

as

Government Off...

Kenner G. Kemp

as

Trooper #2

Charles Perry

as

Soldier

Dorothy Green

as

Matron

Willis Bouchey

as

Official at D....

Mary Lou Hollo...

as

Blonde at Poli...

Dick York

as

Teenager in Po...