Nicholas 'Nick' Carter, aka Robert Chalmers

Lou Farnsby

John A. Keller

Doctor Frankton (as Stanley C. Ridges)

Bartholomew, the bee man

Streeter - President of Radex

Hammil - tall spy boss

Krebs - 2d hurt worker

Otto - 3d hurt worker

Pete Foley - 1st pilot

Bartholomew's Bee Asst.

Cliff Parsons - Keller's Pilot & Asst.

Harbor Patrol Sgt. Denny

Factory Workman

Yacht Captain

Peake the Gardener

Engel - X-49 Workman

Ed - 1st Hurt Worker

Joe - Blueprint Security Officer

Welder

Faber - Henchman

Seaman on Yacht

Entrance Guard

Deputy

Student

Exit Guard

Sam Vaughn

Minor Role

Police Detective Randall

Draughtsman

Hartley

Streeter's Secretary

Taxi Driver

Factory Workman

Riley - Airplane Workman

Police Captain

Keller's Driver

Police Driver

Cain - Henchman

Robinson

Locker Room Attendant

Factory Workman

Director

Screenplay

Story

Story

Producer

Original Music Composer

Original Music Composer

Director of Photography

Editor

Art Direction

Set Decoration

Unit Manager

Assistant Director

Sound

Stunts

Orchestrator