Janet Keller

Carla Balenda

Acting

Matt Corbin

Elliott Reid

Acting

Dr. Edward Keller

Edgar Barrier

Acting

Steve Loomis

Raymond Burr

Acting

Dr. Wilhelm Bucholtz

Otto Waldis

Acting

Chick

Michael Steele

Acting

Molly Loomis

Lurene Tuttle

Acting

Nate Garr

Peter Brocco

Acting

Peterson

Lewis Martin

Acting

Luther Adams

Frank Darien

Acting

Mabel Turner

Olive Carey

Acting

Federal Agent (uncredited)

George Barrows

Acting

Guard on Pier (uncredited)

Stanley Blystone

Acting

Medical Experiment Patient (uncredited)

Eddie Borden

Acting

Federal Agent (uncredited)

George Bruggeman

Acting

Guard (uncredited)

William Challee

Acting

Jed (uncredited)

George Chandler

Acting

Nelson - Gate Guard (uncredited)

G. Pat Collins

Acting

Germ Experiment Victim (uncredited)

Tom Daly

Acting

FBI Agent McIntyre (uncredited)

Don Dillaway

Acting

Speedboat Pilot (uncredited)

Art Dupuis

Acting

Carstairs (uncredited)

Douglas Evans

Acting

Secretary (uncredited)

Elizabeth Flournoy

Acting

Guard (uncredited)

Robert Foulk

Acting

Sweitart (uncredited)

Gregory Gaye

Acting

Produce Company Proprietor (uncredited)

Milton Kibbee

Acting

Medical Experiment Patient (uncredited)

Mathew McCue

Acting

Federal Agent (uncredited)

Lee Miller

Acting

Ed (uncredited)

Billy Nelson

Acting

Sheriff (uncredited)

Jamesson Shade

Acting

Federal Agent (uncredited)

Brick Sullivan

Acting

Federal Agent (uncredited)

Bob Thom

Acting

Bradford (uncredited)

Frank Wilcox

Acting

German Pier Guard (uncredited)

William Yetter Sr.

Acting