Irene Eaton a.k.a. Margaret Brennan

Sally Eilers

George Wolf / James Huntley

Allan Lane

Ella Wilkins

Leona Roberts

Beldon

Charles Halton

Canby

Alec Craig

Detective

Stanley Blystone

Young Boy

Harry Joe Brown Jr.

Motorcycle Policeman

Hal Craig

Davis

Robert Fiske

Plane Crash Spectator

Bess Flowers

Henchman Tailing Irene

Christian J. Frank

Policeman

Bud Geary

Dr. Krull

Fritz Leiber

Man on Train Wanting 'Less Red Tape'

Harrison Greene

Minor Role

Roger Hunt

Henchman

Mike Lally

Bar Patron at Club Dome

Harold Miller

Police Captain

Howard M. Mitchell

Man with Senator in the Dome Cafe

Edmund Mortimer

Intelligence Service Man

Pat O'Malley

Quiet Man on Train

Grady Sutton

Colonel at Explosion

Richard Tucker

Senator in the Dome Cafe

William Worthington

Col. John Shaw

Frank M. Thomas

Col. Marvin Page

Theodore von Eltz

Senator Everett Brock

Addison Richards

Ben Dawson

Larry J. Blake

Colonel Wilson

Pierre Watkin

Gillian

Louis Jean Heydt

Lucius Wilkins

Spencer Charters

Director of Photography

Nicholas Musuraca

Director

Jack Hively

Story

George Bricker

Screenplay

Michael Kanin