Well if you had posted a picture on FR instead of a link to youtube I could probably tell you. But I can’t get video on my Blackberry, so I’ll hazard a guess...if it’s a biplane whose lower wing is forward of the upper, has retractable gear, an enclosed cabin, a radial engine and a big ol’ chromed spinner cap on the prop it can only be a Beechcraft Staggerwing, which would fit the era and was one of the most beautiful airplanes ever built.
I don’t have a host site for pics or I would post a couple nice pics.