In December 1930, he opened, with his partner Walter Gibbons, the Leicester Square Theatre. This venue was bombed out during the war and Buchanan lost a sizeable amount of money as a result. However, he went on to manage the Garrick Theatre in 1946.
Was a successful recording artist.
Was deemed unfit for military service in World War I.
Married twice, he had no children of his own. However, he had a step-daughter, with Susan Bassett, from her first marriage.