Bradley Walsh
From The Arthur Conan Doyle Encyclopedia

Bradley Walsh as Sir Arthur Conan Doyle in TV episode Drunk History (UK) S02E08: Sir Arthur Conan Doyle (2016)
Bradley Walsh (born 4 june 1960) is a British actor who played Sir Arthur Conan Doyle in 2016 in TV series Drunk history episode 8 of season 2.
TV