Bertha Muzzy Sinclair
Bertha Muzzy Sinclair is a screenwriter, known for North of Fifty-Three (1917), Chip of the Flying U (1914) and Shotgun Jones (1914).
Bertha Muzzy Sinclair
- Name: Bertha Muzzy Sinclair
Bertha Muzzy Sinclair's filmography
Screenwriter
Bertha is listed as screenwriter for four titles.

North of Fifty-Three
Movie, 1917
- Director: Richard Stanton, William Desmond Taylor
- Main cast: Edward Alexander, William Conklin, Dustin Farnum, Winifred Kingston

Chip of the Flying U
Movie, 1914
- Main cast: Tom Mix, Wheeler Oakman, Kathlyn Williams

Shotgun Jones
Movie, 1914
- Main cast: Frank Clark, Jack McDonald, Wheeler Oakman

When the Cook Fell Ill
Movie, 1914
- Main cast: Frank Howard Clark, Tom Mix, Wheeler Oakman
Find all movies with Bertha Muzzy Sinclair as screenwriter.