Claim: Margot Kidder's first feature film, "The Best Damn Fiddler from Calabogie to Kaladar" (1968), runs for just under 50 minutes.
Evidence: Kidder made her film debut in a 49-minute film titled The Best Damn Fiddler from Calabogie to Kaladar (1968), a drama set in a Canadian logging community, which was produced by the Challenge for Change. The 49-minute drama stars Chris Wiggins and Kate Reid, along with Margot Kidder in her first feature role. 
The 49-minute drama stars Chris Wiggins and Kate Reid, along with Margot Kidder in her first feature role. 1968