[8] Additional films that Gardner starred in during this time period include Who Has Seen the Wind, Prom Night and Detroit Rock City.
[12][13] For Festival, some plays Gardner adapted include The Apple Cart and Uncle Vanya.
[16][17] Between the 1980s to 1990s, some television series that Gardner starred in were Home Fires, Street Legal and RoboCop.
[18] During the late 1940s, some plays Gardner appeared in at Hart House Theatre were The Seagull and All My Sons.
[21][22] Leading up to the late 1950s, Gardner primarily acted in North American plays while also appearing on European stages.
[25] Additional plays that Gardner worked on as a director during the 1960s included The Lady's Not for Burning and The Father.
[29] During his tenure as artistic director, Gardner and the Vancouver Playhouse Theatre Company disagreed about the cost of a proposed play by George Ryga titled Captives of a Faceless Drummer.
[30] Upon joining the Canada Council in 1971, he focused on financial grants as a theatre arts officer.
[37] In 2014, the University of Toronto began the Dr. David E. Gardner Apprentice Director Program for students who studied theatre at Hart House.