American actor (1904–1980) best known for the role of Doc in the durable TV western Gunsmoke. ALS signed “Millie,” one page, 7.25 x 10.5, personal “Gunsmoke” letterhead, November 14, 1968. Stone writes to an unspecified “pal.” In part: “I’m just a mite tardy in my acknowledgement of such a nice job you did in the recent article on old Doc. You’re the greatest!…” In fine, bright condition. R&R COA.