Are milburn stone the doc on gunsmoke and Floyd barber Andy Griffith show same person?

Yes, Milburn Stone played both Doc Adams on Gunsmoke and Floyd the Barber on The Andy Griffith Show. Stone was a prolific character actor who appeared in over 250 films and television shows throughout his career. He is best known for his roles on Gunsmoke, which aired from 1955 to 1975, and The Andy Griffith Show, which aired from 1960 to 1968. Stone also had a recurring role on the ABC sitcom Leave It to Beaver.