Opportunity Knocks (Canadian radio show)

Opportunity Knocks was a talent competition show that aired on CBC Radio from 1947 until 1957. It was created and directed by John Adaskin. The show featured a variety of performers hoping to break into the entertainment industry, including singers, instrumentalists, composers, announcers, and actors.

Notable performers brought to notice by the show include Lois Marshall, Jon Vickers, Maureen Forrester, and Robert Goulet.