The Fatal Impulse

Boris Karloff

Self

Robert Lansing

Lieutenant Brian Rome

Whitney Blake

Jane Kimball

Conrad Nagel

Mayor Walker Wylie

Mary Tyler Moore

Mary Snyder

Elisha Cook Jr.

Harry Elser

Steve Brodie

Sgt. George Dumont

Elaine Edwards

Marjorie Dalquiss

Lance Fuller

Robert Larrimore

Harry Bartell

Mr. Dalquiss

Alice Backes

Carolyn

Antony Carbone

Bernie

Ed Nelson

Brundage

Cynthia Pepper

Receptionist

Ernestine Barrier

Agnes Kimball

Ella Ethridge

Martha Bailey

Fred Graham

Sgt. Hannigan

Edwin Rochelle

Waiter (uncredited)

Chalky Williams

Policeman (uncredited)

Philip MacDonald

Writer

Julia Heron

Set Decoration

John D. MacDonald

Novel

Earl Crain Sr.

Sound

Maxwell Shane

Producer

Gerald Mayer

Director

Benjamin H. Kline

Cinematography

Stanley Wilson

Music Supervisor

Pete Rugolo

Sound

John McCarthy Jr.

Set Decoration

Richard Belding

Editor

Howard E. Johnson

Art Direction

Edward K. Dodds

Assistant Director

David J. O'Connell

Editorial Staff

Edwin Rochelle

Stand In

Jack Barron

Makeup Artist

Vincent Dee

Costume Designer

Florence Bush

Hair Designer

Jerome Gould

Graphic Designer