Grant, along with co-founders Kim Renders, Mary Vingoe and Maureen White, started Nightwood Theatre in 1979.
[2] At Nightwood, Grant occasionally acted in shows such as Peter Handke's Self-Accusation (1980) and Ann-Marie MacDonald's Nancy Drew (Goes in Search of Her Missing Mother) (1984).
[3] Grant directed many shows at Nightwood including The True Story of Ida Johnson (1979), Mary Vingoe's Ten Seconds After Closing (1980), The Yellow Wallpaper (1981), Flashbacks of Tomorrow (1981), Mass/Age (1982), Antigone (1983), Brian Metcalfe's Pink Flies!
(1984), Love and Work Enough (1984, with Mary Vingoe), Baņuta Rubess' Pope Joan (1984), Amanda Hale's The Medical Show (1984), and Jovette Marchessault's The Edge of the Earth is Too Near, Violette LeDuc (1985).
[8][9] In 1986, Grant co-founded Company of Sirens with Lina Chartrand, Aida Jordão, Catherine Glen, Lib Spry, and Shawna Dempsey.