William Ian DeWitt Hutt, CC, OOnt, MM (May 2, 1920 – June 27, 2007) was a Canadian actor of stage, television and film.

After the war, he received his BA in 1948 from Trinity College at the University of Toronto, and subsequently joined the Stratford Festival of Canada for its first season in 1953.

"[2] Hutt's acting career was centered around the Stratford Festival where he won acclaim in many roles including those of King Lear (1988), James Tyrone in Eugene O'Neill's Long Day's Journey into Night (1994–1995) (a production which was subsequently filmed), and Lady Bracknell in The Importance of Being Earnest (1975–1979).

He also received an Honorary Doctor of Letters degree from McMaster University in Hamilton, Ontario, in October 1997, and in 2000 was inducted into Canada's Walk of Fame.

[9] He appeared in the television series Slings and Arrows as an ailing stage icon who wants to play King Lear one last time.