Eunice Fay McKenzie was an American actress and singer. She starred in silent films as a child, and then sound films as an adult, but perhaps she is best known for her leading roles opposite Gene Autry in the early 1940s in five horse opera features. She was also known for her collaborations with director Blake Edwards on five occasions.
She also appeared on Broadway, radio, and television, having appeared on screen at ten weeks old in 1918. She was still appearing on screen at the time of her death, with her latest project opposite her son Tom Waldman Jr. in the comedy Kill a Better Mousetrap, based on a play by Scott K. Ratner, filmed in the summer of 2018 and not yet released at the time of her death. She was briefly billed as Fay Shannon. She's the actress with the longest movie career ever, (100 years).
Merrill McCormick was born on February 5, 1892 in Denver, Colorado, USA as William Merrill McCormick. He was an actor and director, known for Robin Hood (1922), Winds of the Wasteland (1936) and A Son of the Desert (1928). He died on August 19, 1953 in San Gabriel, California, USA.
From Wikipedia
Bud Osborne (July 20, 1884 – February 2, 1964) was an American film actor. He appeared in more than 600 films and television programs between 1912 and 1963. Osborne was born in Knox County, Texas, and died in Hollywood, California from a heart attack.
Osborne specialized in westerns, and was also noted for his skill as a stage driver, and was thus much in demand from his first film in 1912, right through the early 1950s. He was working as a stunt man as late as 1948, in Ray Enright's Return of the Bad Men. As he grew older, Osborne played small character parts in television westerns such series as Have Gun – Will Travel, Bonanza, Bat Masterson, Rawhide and The Lone Ranger. His last role, was in an episode of Gunsmoke in 1963. His career spanned 51 years, with a total of 607 films and television episodes to his credit.