It Conquered the World

Lee Van Cleef

as

Dr. Tom Anders...

Beverly Garland

as

Claire Anderson

Peter Graves

as

Dr. Paul Nelson

Sally Fraser

as

Joan Nelson

Russ Bender

as

General James ...

Jonathan Haze

as

Pvt. Miguel Or...

Dick Miller

as

Sgt. Neil

Paul Harbor

as

Floyd Mason

Charles B. Gri...

as

Dr. Pete Shelt...

Karen Kadler

as

Ellen Peters

Taggart Casey

as

Sheriff N.J. S...

Thomas E. Jack...

as

George Haskell

Marshall Bradf...

as

U.S. Secretary...

David McMahon

as

Gen. Carpenter

Paul Blaisdell

as

The Monster (u...