John Bradford

District Attorney Adair

Eric Warren

Alfred Metcalfe

Dr. Bailey

J.P. Miller (sometimes called J.B. Miller)

Judge Harper

Mica Ralston (rancher)

Sheriff Masters

Mr. Tremaine

Insp. Appleby

Dan Reasonover

Fred F. Whacker

Gen. Birabeau

Storey

Jonathan Parker

Timothy Stone

Edmund Jethrow

Warren Pritchard

Judge Kenneth Turner

D. A. Mortimer X. Welsh

Judge Thomas Kneeland

Jonathan Parker

Rear Adm. L. C. Tennant

Arch Strobie

Jasper G. Wingait

Commodore Parker

Jonah Evans

Dr. Fredericks

Colonel Hooker

A B Blair

Jefferson Almond

Roger Enright

Alfred Greenleaf

Matthew 'Matt' Simpson

Thomas Vollmer

Arthur Burdett, alias Philip J. Fogarty

Maj. Desmond Lansing

Rev. Daniels

Harvey Elwood

Big Ed Carter

Lt. Col. Avery Silver

MacCoppin

Fred Houlihan

Victor Donlan

Dr. Matt Beemish

Perry Barton

Mr. Milton

Gordon Stewart

Judge Watson

Dr. Lowell

Davis Banton

Colonel Farewell / Narrator

Leonides

Dr. Elijah Howe

Mr. Floyd Henderickson

Glen Robie

Phillip Treadway

John Chase Randall

Senator Frost

Johnny Adair

Wallau

Deckman West

Cardinal von Faulhaber

Otis Bird

Brodie S. Griffith

Lecturer (voice) (uncredited)

Grover Kendall

Col. John Mason

Dr. John Carey

Snodgrass

Mr. Macauley

Johan Bergesen

Capt. McCall

Ben Van Steel, Tommy's Uncle

Professor B

Jack Amberson

Jim W. Gettys

Mayor (voice)

Waite

Mr. Lambert (uncredited)

Police Sergeant on Bicycle (uncredited)