A Son of Erin - Cast

Name	Known for
Dustin Farnum Dennis O'Hara Dennis O'Hara See fewer	The Squaw Man (1914)
Winifred Kingston Katie O'Grady Katie O'Grady See fewer	The Squaw Man (1914)
Tom Bates Patrick O'Grady Patrick O'Grady See fewer	Huckleberry Finn (1920)
Jack Livingston Brian Trelawney Brian Trelawney See fewer	The Power Divine (1923)
Wilfred McDonald Terence Terence See fewer	A Connecticut Yankee in King Arthur's Court (1921)
Wallace Pyke Dan O'Keefe Dan O'Keefe See fewer	The Clown (1916)
Lee Willard George Harding George Harding See fewer	The Flame Fighter (1925)
Mabel Wiles Florence Harding Florence Harding See fewer	Jordan Is a Hard Road (1915)
Hugo B. Koch John D. Haynes (as Hugh B. Koch) John D. Haynes (as Hugh B. Koch) See fewer	Joan the Woman (1916)
J.H. Hazelton Captain Brady Captain Brady See fewer	Captivating Mary Carstairs (1915)