H. O. Nicholson

Nicholson (r) as Dr Chasuble in The Importance of Being Earnest, 1923 revival, with Louise Hampton and Leslie Faber

Hubert Osbert Butler Nicholson (5 January 1868 – 22 September 1940), known professionally as H. O. Nicholson, was an English character actor of the first half of the 20th century.