The Magnetic Monster

Richard Carlson

as Dr. Jeffrey Stewart

King Donovan

as Dr. Dan Forbes

Leo Britt

as Dr. Benton

Jean Byron

as Connie Stewart

Harry Ellerbe

as Dr. Allard

Frank Gerstle

as Col. Willis

John Vosper

as Capt. Dyer

Byron Foulger

as Mr. Simon

Leonard Mudie

as Howard Denker

Kathleen Freeman

as Nelly

William Benedict

as Albert

John Zaremba

as Chief Watson

Douglas Evans

as Pilot

Strother Martin

as Co-Pilot

Michael Fox

as Dr. Serny

Watson Downs

as Mayor

Lee Phelps

as City Engineer

Roy Engel

as Gen. Behan

John Dodsworth

as Dr. Carthwright

Charles Williams

as Cabbie

Michael Granger

as Kenneth Smith

Jarma Lewis

as Stewardess

Elizabeth Root

as Joy

Juney Ellis

as Spinster