导演 William Cameron Menzies

Janet Keller Carla Balenda

Matt Corbin Elliott Reid

Dr. Edward Keller Edgar Barrier

Steve Loomis 雷蒙德·伯尔

Dr. Wilhelm Bucholtz Otto Waldis

Chick Michael Steele

Molly Loomis Lurene Tuttle

Nate Garr Peter Brocco

Peterson Lewis Martin

Luther Adams Frank Darien

Mabel Turner Olive Carey

Federal Agent (uncredited) George Barrows

Guard on Pier (uncredited) 斯坦利·布莱斯通

Medical Experiment Patient (uncredited) Eddie Borden

Federal Agent (uncredited) George Bruggeman

Guard (uncredited) William Challee

Jed (uncredited) George Chandler

Nelson - Gate Guard (uncredited) G. Pat Collins

Germ Experiment Victim (uncredited) Tom Daly

FBI Agent McIntyre (uncredited) Don Dillaway

Speedboat Pilot (uncredited) Art Dupuis

Carstairs (uncredited) Douglas Evans

Secretary (uncredited) Elizabeth Flournoy

Guard (uncredited) Robert Foulk

Sweitart (uncredited) Gregory Gaye

Produce Company Proprietor (uncredited) Milton Kibbee

Medical Experiment Patient (uncredited) Mathew McCue

Federal Agent (uncredited) Lee Miller

Ed (uncredited) Billy Nelson

Sheriff (uncredited) Jamesson Shade

Federal Agent (uncredited) Brick Sullivan

Federal Agent (uncredited) Bob Thom

Bradford (uncredited) Frank Wilcox

German Pier Guard (uncredited) William Yetter Sr.