Marin Sais (2 Augustus 1890 – 31 Desember 1971) was 'n Amerikaanse aktrise en skryfster. Sy was bekend vir haar rolle in die rolprente Mysteries of the Grand Hotel (1915), The Girl from Frisco (1916), Deadwood Dick (1940), en Cowboy and the Prizefighter (1949). 1914: The Boer War 1915: Mysteries of the Grand Hotel 1915: The Barnstormers 1915: The Girl Detective 1915: The Pitfall 1915: Stingaree 1915: The Strangler's Cord 1916: The Girl from Frisco 1916: The Social Pirates 1918: The City of Dim Faces 1918: The Vanity Pool 1918: His Birthright 1919: Bonds of Honor 1920: Thunderbolt Jack 1921: The Broken Spur 1921: Hills of Hate 1921: Dead or Alive 1922: Barb Wire 1922: Riders of the Law 1923: Wolf Tracks 1923: Good Men and Bad 1924: The Hellion 1924: The Measure of a Man 1925: The Red Rider 1925: A Roaring Adventure 1926: The Wild Horse Stampede 1927: The Fighting Three 1927: Men of Daring 1928: A Son of the Desert 1933: The Fighting Cowboy 1940: Deadwood Dick 1940: Wild Horse Range 1941: Billy the Kid in Santa Fe 1944: Frontier Outlaws 1949: Cowboy and the Prizefighter 1949: The Fighting Redhead 1949: Ride, Ryder, Ride! 1949: Roll, Thunder, Roll!