Matt Cvetic

Frank Lovejoy

Eve Merrick

Dorothy Hart

Mason

Philip Carey

Jim Blandon

James Millican

Ken Crowley

Richard Webb

Dick Cvetic

Ron Hagerthy

Gerhardt Eisler

Konstantin Shayne

Joe Cvetic

Paul Picerni

Tom Cvetic (uncredited)

Frank Gerstle

Father Novac (uncredited)

Roy Roberts

Harmon (as Eddie Norris)

Edward Norris

Frank Cvetic (uncredited)

Russ Conway

Ruth Cvetic

Hope Kramer

Clyde Garson

Hugh Sanders

Mrs. Cvetic (uncredited)

Kasia Orzazekski

Mrs. Cvetic

Kasia Orzazewski

Senator

Brandon Beach

Miss Nova

Ann Morrison

FBI Officer Cahill

Lyle Latell

Communist at Meeting

Colin Kenny

Railroad Station Clerk

Harold Miller

Senator Gray

Bert Moorhouse

Communist Goon

Charles Morton

FBI Agent McIntyre (uncredited)

Paul McGuire

Chief Agent

Douglas Evans

Railroad Conductor

Jack Mower

Communist at Meeting

Bert Stevens

Secretary

Janet Barrett

Worker in Fight

Brick Sullivan

Secretary

Karen Hale

Crowd Agitator

Charles Sullivan

Goon

Joseph Smith

Black Man (uncredited)

Sugarfoot Anderson

Goon

Jimmy O'Gatty

Black Man (uncredited)

Ernest Anderson

Worker

Frank Marlowe

Crowd Member (uncredited)

Al Bain

Worker

Barry Sullivan

Foreman

Michael Ross

Principal

Lenita Lane

Richard H. Gordon

Teacher

Alma Mansfield

Student

Anne Kimbell

Student

Paula Sowl

Man

Charles Sherlock

Man

George Magrill

Wife

Grace Lenard

Jackie

Erik Neilsen

Jackie's Father

Roy Engel

Brown

William Lester

McGowan

John Crawford

Dobbs

Johnny Bradford

Brennan

James Gonzales

Masonvitch

David McMahon

Good Leader

Charles Horvath

Irish Mick

Phil Tully

Union Chairman

Howard Negley

Picket

Bobby Gilbert

Picket

James Adamson

Woman

Mary Alan Hokanson

Woman

Mildred Boyd

Officer

Barry Reagan

Brakeman

Charles Colean

Lawyer

Richard Gordon

Lawyer

William Norton Bailey

Lawyer

Paul Bradley

Lawyer

Robert 'Buddy' Shaw

Senator Wood

William Forrest