Daphne Katherine Reid OC (4 November 1930 – 27 March 1993) was a Canadian actress, whose career spanned over fifty years and hundreds of roles across both stage and screen.

[2] She made her earliest stage appearances at the Hart House Theatre, before her professional debut with the Straw Hat Players in Muskoka.

[2] Reid performed with the Crest Theatre in Toronto and starred in The Stepmother on London's West End, before joining the Stratford Festival in 1959.

[4] In 1984, Reid starred in the critically-acclaimed Broadway revival of Death of a Salesman, opposite Dustin Hoffman, John Malkovich, and Stephen Lang.

Reid made her film debut in the NFB short Farewell Oak Street, then starred in Sidney J. Furie's A Dangerous Age, notable for being English-language Canadian feature.

Her other film appearances included starring roles as acerbic scientist Dr. Ruth Leavitt in The Andromeda Strain (1971), the alcoholic sister of Katharine Hepburn's character in A Delicate Balance (1973) - which earned her a Golden Globe nomination for Best Supporting Actress – Motion Picture, Margaret Dysart in the 1977 film version of Equus, and aging beauty Grace in Atlantic City (1980).