Born in Salisbury, North Carolina, USA — Jul 12 1895• Died Oct 06 1973

Sidney Alderman Blackmer (13 July 1895 – 6 October 1973) was an American actor. Blackmer was born and raised in Salisbury, North Carolina. He started off in an insurance and financial business but gave up on it. While working as a builder's laborer on a new building, he saw a Pearl White serial being filmed and immediately decided to go into acting. Blackmer went to New York hoping to act on the stage. While in the city, he took jobs and extra work at various film studios at the then motion picture capital, Fort Lee, New Jersey, including a bit part in…
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Prrof. Watson


Dr. Carleton Lantzinge

Judge Hanavan



Marvin Platt


William Lyons Selby

Jasper Ledbedder

Roman Stepanak

Frank Partridge

Judge Cooper


Edward Stapleton

Dr. Steven Archer


Woodson

Joseph Callan


Professor Antrum



Oscar W. Underwood

Roman Castevet



Christopher

Seth Lord

Lawyer George Renny

The Lover

Sesemann

Humphrey Agnew

Big Boy

San Francisco Editor

Judge Blackstone

Al Mallon

Arnold Milbar

Teddy Roosevelt

Arthur Higgins

George Demarest

Dan Collins

Puss in Boots

Col. Oates

Tom Cummings

Josephus Daniels

General Phil Sheridan

Eugene Fulton

Frank Hobart

Theodore Roosevelt

George Nevins

Adams

Rex Daniels

Mondego

Thomas Bruhme II

Rodney

Philip Emery

Anthony Rhodes

McNeil

Theodore Roosevelt (uncredited)

James Fielding

Cash Enright

Victor Karnoff

Press Agent

Martin Cleaver

President Theodore Roosevelt

D.L. Voorman

George Sartos

Ralph Simmons

Riley Ferguson

Austin Spencer

Spencer Danfield

Henry - George's Attorney

Steve

Marquis Du Brey

Freddie Bond

Christopher

John Stevens

Steve Carey

Harry Courtland

Professor Brent

Andrew Cain

Erskine Brandon

Theodore Roosevelt (edited from 'Teddy the Rough Rider')

'Lucky' Braddock

Self

Morgan Pell

Mort Holmes

Kenneth Alden

Tony Bowman

Theodore Roosevelt

Hughie Wheeler

Ellery Gibson

Bergen

Political Boss

Police Commissioner Thatcher Colt

Lawton

Wazir Mansur

Blake Standish

Martin Webster

Lee Lother

Dr. Gordon Therberg

Dr. Anson Ludlow

Gregory Warren

"Lucky" Nolan

Dean James Darwent

Tony Bernardi

Ralph Merritt

Carlyle Harrison

Geoffrey Brand

Alex LeMaire

Dave Lennox

Swazey

Guy Barton

Humphrey Sergeant

Chester Hamilton

Walter Wiley

John Hart

Charles Townsend

Jack Macklyn

Clayton Bradford

G.R. Jarvis

Theodore Roosevelt

H.L. Harrington

Ben
Anthony Peel

Hastings

Baron Orloff

Raymond Cortell

Augustus Moody

Mr. Wheeler

Garvin Wales

Jim Mintum

Tom Starr

Barry Forbes

Philip Ames

Big John Trumbull

Herr Eric Koeger
Gregory Mann

Cliff Billings

Bill Rhodes

Theodore Roosevelt (archive footage) (uncredited)

Gilbert Landon

Mr. Gerald Hart

T.C. McCabe

Sam Underwood
Cedric McIntyre

Heath Desmond

King Moss

Mann

Self - Narrator(voice)
