His career began on CBC television and with numerous stage performances in Canada and the United States.
He made his USA television debut in 1959 with Ingrid Bergman in the film The Turn of the Screw.
He made his London West End debut in the original production of Joe Orton's What The Butler Saw at the Queen's Theatre in 1969 with Ralph Richardson, Stanley Baxter and Coral Browne.
He received a Best Supporting Actor Antoinette Perry 'Tony' award nomination for his performance in Simon Gray's Butley on Broadway, starred in the first stage production of The Rocky Horror Show, the Bristol Old Vic production of Oscar Wilde's Lady Windermere's Fan, and has appeared in many of William Shakespeare's plays internationally.
A voice artist, Hayward Morse has recorded hundreds of audio books, including the works of Edgar Allan Poe, Harold Robbins, Bernard Cornwell, Jackie Collins, Arthur C. Clarke, and Mickey Spillane.