He joined the D'Oyly Carte Opera Company 1894 as a member of the chorus of the original production of Mirette at the Savoy Theatre in London.
He soon went on tour with the company, doubling in the small roles of Captain Corcoran and Calynx in Utopia Limited and playing Francal in Mirette.
Later the same year he played Sir Richard Cholmondeley in the first Savoy Theatre revival of The Yeomen of the Guard to good notices[7] and added the role of the Rt.
[2] He returned to the D'Oyly Carte Opera Company at the Savoy as a replacement for the role of Abdallah during the original production of The Rose of Persia in the summer of 1900.
[13] Hewson's last part for the D'Oyly Carte company was the Earl of Newtown, which he created in the original production of The Emerald Isle beginning in April 1901.
In October 1901 a benefit matinée was given for him at the Savoy by well-known performers including Rutland Barrington, Arthur Bourchier, Ada Reeve, Marie Tempest, Richard Temple, Violet Vanbrugh, and, in the second act of The Emerald Isle, the Savoy company of the time, led by Rosina Brandram.
[15] Hewson and his wife and young son sailed to Australia hoping "that the voyage and a dry climate [would] give him renewed strength".