Actor. He is best remembered for his portrayal of the stern Walter Cunningham Sr. in the film adaptation of "To Kill a Mockingbird" (1962). Born Arthur Denton, after attaining his degree in theatrical arts from the UCLA, he settled in New York City, New York, and began a career on the stage appearing as a leading man in such productions as "Key Largo," "Fragile Fox," "Liberty Jones," "Orpheus Descending," "Winesburg, Ohio," and "Bus Stop". After meeting director Lew Landers during a social function at the prestigious Sardi's restaurant, he was so impressed by his dark good looks, articulate voice, and stealth, that he arranged for him to begin a career in the film industry beginning with him being under his supervision in "Crime, Inc" (1945). From there, he would go on to enjoy a successful career as a character actor appearing in over 60 features; often typecast as husbands, fathers, doctors, educators, white-collared workers, servants, retail clerks, businessmen, landlords, neighbors, military men, authority figures, and patriarchs. He appeared in such motion pictures as "The Great St. Louis Bank Robbery" (1959), "The Young One" (1960), "The Parent Trap" (1961), "Birdman of Alcatraz" (1962), "Hud" (1963), and "Bus Riley's Back in Town" (1965). During the advent of television, he flourished as a household name appearing in various guest spots on such syndicated sitcoms as "Inner Sanctum," "You Are There," "The Big Story," "Navy Log," "Kraft Theatre," "Goodyear Playhouse," "Deadline," "Hawaiian Eye," "One Step Beyond," "Alfred Hitchcock Presents," "Perry Mason," "Alcoa Premier," "Ben Casey," "The Donna Reed Show," "Have Gun - Will Travel," "Same Benedict," ""The Virginian," "Brenner," "The Outer Limits," "Route 66," "Temple Houston," and "The Fugitive". During his career, he was an honorary member of Actors Equity, was a member of the Screen Actors Guild, was supportive of the Motion Picture and Television Fund, had been an active member of the Hollywood Democratic Committee, was an active parishioner of the Presbyterian church, had been a theatrical instructor for the Pasadena Playhouse, presided as chairman for his local charters of the American Red Cross and the March of Dimes, was the 1954 recipient of the Outer Critics Circle Award for Best Performance in a Supporting Role, and he was married to fellow stage and radio actress Eleanor Brown from 1955 until his death (their union produced no children). After appearing in his final guest role on an episode of the "The F.B.I.", he died unexpectedly from the complications of a heart attack.