Nick Carter, Master Detective

Walter Pidgeon

as

Nicholas 'Nick...

Rita Johnson

as

Lou Farnsby

Henry Hull

as

John A. Keller

Stanley Ridges

as

Doctor Frankto...

Donald Meek

as

Bartholomew, t...

Addison Richar...

as

Streeter - Pre...

Henry Victor

as

Hammil - tall ...

Milburn Stone

as

Krebs - 2d hur...

Martin Kosleck

as

Otto - 3d hurt...

Frank Faylen

as

Pete Foley - 1...

Sterling Hollo...

as

Bartholomew's ...

Wally Maher

as

Cliff Parsons ...

Edgar Dearing

as

Harbor Patrol ...

Ernie Alexander

as

Factory Workman

Louis V. Arco

as

Yacht Captain

Frank Ball

as

Peake the Gard...

Don Brodie

as

Engel - X-49 W...

Don Castle

as

Ed - 1st Hurt ...

Eddy Chandler

as

Joe - Blueprin...

Gene Coogan

as

Welder

Paul Ellis

as

Faber - Henchm...

Bud Geary

as

Seaman on Yacht

Chuck Hamilton

as

Entrance Guard

Edward Hearn

as

Deputy

Kenner G. Kemp

as

Student

William Lally

as

Exit Guard

Richard Lane

as

Sam Vaughn

Carey Loftin

as

Minor Role

Wilfred Lucas

as

Police Detecti...

Joseph P. Mack

as

Draughtsman

George Meeker

as

Hartley

Roger Moore

as

Streeter's Sec...

William Newell

as

Taxi Driver

Gil Perkins

as

Factory Workman

Lee Phelps

as

Riley - Airpla...

Lee Prather

as

Police Captain

Charles Sherlo...

as

Keller's Driver

Harry Templeton

as

Police Driver

Richard Terry

as

Cain - Henchman

Andrew Tombes

as

Robinson

Harry Tyler

as

Locker Room At...

Charles Flynn

as

Factory Workman