Actor. He was best known for playing character roles of defense attorneys, henchmen, scouts, soldiers, farmers, ranch hands, cowpokes, or historical figures usually in westerns. He will be best remembered for playing the role of 'General George Armstrong Custer' in the historical adventure-romance film, "Custer's Last Stand" (1936). The film which was directed by Elmer Clifton, written for the screen by George Arthur Durlam, Eddie Granemann, and William Lively, and which also starred Rex Lease, Lona Andre, and William Farnum, tells the story of when some men are attacked by Indians, a survivor obtains an Indian medicine arrow. An Indian tells Blade he has found gold but will not tell him where until he has that arrow. So Blade starts killing the survivors of the attack but fails to get the arrow. One of the men he kills is John Cardigan and Kit Cardigan, a Scout for Custer, now starts looking for the killer of his father. He was born one of seven children in Marin County, California, to actor Frank McGlynn Sr. (1866-1951), and his wife Rose O'Beirne McGlynn (1882-1947), on July 9, 1904. He was raised on a farm in Petaluma, California, and was educated locally and graduated from school in the same area of Petaluma, California. He began his acting career when he was in his early twenties when he decided to continue the family tradition. His father who was also a veteran of several films and plays and best known for playing President Abraham Lincoln took his son under his wing and while coaching him he cast him in one of his plays. He then continued appearing on the stage in stage productions in several plays including, "My Maryland" (1929), when he made the transition to films during that time. He made his actual film debut playing the role of the famed attorney, planter, politician, and orator, 'Patrick Henry' in the epic historical war film drama, "America" (1924), which was directed by D.W. Griffith, and which starred Neil Hamilton, Carol Dempster, Erville Alderson, Lee Beggs, John Dunton, and Charles Emmett Mack. Besides, "America" (1924), and "Custer's Last Stand" (1936), his many other film credits include, "The Golden Strain" (1925), "Rustling For Cupid" (1926), "Rose Of The Tenements" (1926), "When A Dog Loves" (1927), "Judgment Of The Hills" (1927), "Born To Battle" (1927), "The Dandy And The Belle" (1931), "Riders Of The Purple Sage" (1931), "The Wet Parade" (1932), "Face In The Sky" (1933), "Gabriel Over The White House" (1933), "The Moonshiner's Daughter" (1933), "Man Of The Forest" (1933), "Queen Christina" (1933), "Operator 13" (1934), "Radio Scout" (1934), "Kentucky Kernels" (1934), "It's A Small World" (1935), "Public Hero Number 1" (1935), "Hop-A-Long Cassidy" (1935, he played the role of 'Red Connors' and performed the song, "Followin' The Stars" in the film), "Welcome Home" (1935), "Westward Ho" (1935), "Dr. Socrates" (1935), "Lawless Range" (1935), "Bar 20 Rides Again" (1935), "The Road To Glory" (1936), "Arizona Mahoney" (1936), "Jungle Jim" (1937), "That I May Live" (1937), "Wild West Days" (1937), "Conquest" (1937), "Of Human Hearts" (1938), "Mr. Moto's Gamble" (1938), "Island In The Sky" (1938), "Kentucky Moonshine" (1938), "One Wild Night" (1938), "Joaquin Murrieta" (1938), "The Story Of Doctor Carver" (1938), "Marie Antoinette" (1938), and as 'Swifty-Motorcyclist' in the romance film drama, "The Shopworn Angel" (1938), which takes place during World War I, and and also stars Margaret Sullavan, James Stewart, and Walter Pidgeon. He apparently was working on the classic film, "Gone With The Wind," when he suddenly took ill with tuberculosis and meningitis. He was hospitalized on March 24, 1939, and passed away at the Good Samaritan Hospital in Los Angeles, California, five days later on March 29, 1939, at the age of 34. His funeral service was a Requiem Mass held at a local church in Los Angeles, California, and he was buried in Calvary Cemetery in East Los Angeles, California. On an interesting note, his brother was the Dominican Priest and sculptor Father Thomas Matthew McGlynn, O. P. (1906 - 1977), who designed his headstone. At the time of his death, he was single and living with his parents. He never married nor had any children.