He was not noted for his freckles until Marshall Neilan cast him in Rebecca of Sunnybrook Farm, with his freckles uncovered (earlier producers had insisted that all subjects cover facial blemishes with grease paint).
Prior to being cast as the character in "Rebecca of Sunnybrook Farm," he was not recognized for his freckles. However, director Marshall Neilan's casting decision brought his freckles into focus.  Earlier producers had required actors to cover any blemishes with makeup.