He reprised his role in the CBC Television educational series Exploring Minds.

Christie joined the performing company at the Stratford Festival in 1953 and appeared on Broadway in Tamburlaine by Christopher Marlowe in 1956 and Love and Libel by Robertson Davies in 1960.

In 1961 he played MacTaggart in Jake and the Kid, and in 1967, he appeared in the series Hatch's Mill.

He married British actress Marguerite Eliza "Margot" Syme on March 4, 1937; they later divorced.

He married Canadian production and stage manager Grania Mortimer on July 17, 1964.