Gregan McMahon, CBE (2 March 1874 – 30 August 1941)[1] was an Australian actor and theatrical director and producer.
His first professional appearance was as the waiter in The Liars at Brisbane in the beginning of June, and during the next 12 months he toured India and China playing a variety of small parts.
[1] Returning to Australia McMahon played with the William Hawtrey and Brough companies, and, by 1902 he was more important roles, including that of "Horace Parker", in A Message from Mars.
Among the plays McMahon produced from 1911–1917 were Candida, Getting Married, Major Barbara, The Doctor's Dilemma, Man and Superman, Fanny's First Play, You Never Can Tell, and Pygmalion, all by George Bernard Shaw; Rosmersholm and An Enemy of the People by Henrik Ibsen; The Voysey Inheritance and The Madras House by Granville Barker; The Pigeon, Strife and The Fugitive by Galsworthy; The Seagull by Anton Chekhov; The Mate by Arthur Schnitzler, and many other plays by leading dramatists of the period, including several by Australian authors.
In spite of difficulties caused by war breaking out again, McMahon was still keeping up his standard of production when he died suddenly on 30 August 1941.