Began acting at age 7 when she played Mary in a nativity play.
Waited tables at the Toronto Second City Theatre Company in 1973; joined the troupe in 1974 and quickly replaced Gilda Radner as a regular when Radner left for SNL.
Became one of the founding members of the sketch-comedy series SCTV in 1976
Won a Genie Award for her work in the film The Life Before This (1999).
Earned an American Comedy Award in 2001 for Funniest Supporting Actress in a Motion Picture for her role in the 2000 mockumentary Best in Show; has appeared in three other Christopher Guest films (Waiting for Guffman, A Mighty Wind and For Your Consideration).
Was inducted into Canada's Walk of Fame in Toronto in 2007.
Spoke at the closing ceremonies of the Vancouver 2010 Winter Olympics.
Is a singer-songwriter and performed with the group Northern Lights on the song "Tears Are Not Enough" from the 1985 album We Are the World.
1982, Emmy — Outstanding Writing in a Variety or Music Program: Nominee
1982, Emmy — Outstanding Writing in a Variety or Music Program: Winner
1983, Emmy — Outstanding Writing in a Variety or Music Program: Nominee
2010, Emmy — Outstanding Supporting Actress in a Miniseries or a Movie: Nominee
1999, Genie Awards — Best Performance by an Actress in a Supporting Role: Winner
2007, Independent Spirit Awards — Best Female Lead: Nominee
2007, Critics' Choice Awards — Best Supporting Actress: Nominee
2010, Screen Actors Guild Awards — Outstanding Performance by a Female Actor in a Television Movie or Miniseries: Nominee
2004, Critics' Choice Awards — Best Acting Ensemble: Nominee
2016, Canadian Screen Awards — Legacy Award: Winner
2019, Emmy — Outstanding Lead Actress in a Comedy Series: Nominee