Girls Under 21
Francis Ryan, living high-and-free-wheeling life as the wife of gangster "Smiley" Ryan, spends some time behind bars as a result of her husband's activities, and, when she gets out, realizes she has been a bad example for her kid-sister, Jennie White, and five of her friends. With the aid of her old boyfriend, she manages to divert them from their juvenile-delinquent path leading to disaster for each.
Top cast
Bruce CabotSmiley Ryan
Rochelle HudsonFrances White Ryan
Paul KellyJohnny Cane
Tina ThayerJennie White- Roberta SmithSloppy Krupnik
- Lois VernerFatso Cheruzzi
- Beryl VaughanMarge Dolan
- Joanne TreeGertie Dolan
- Debbie EllisTessa Mangione
William EdmundsTony Mangione
John DilsonAlbert Carter, School Principal
John TyrrellRusty
Below are the streaming services currently carrying the movie “Girls Under 21” in Canada, along with how each offers it (subscription, buy, or rent) and a direct link. Licensing differs by market, so availability in Canada can differ from other countries.
Where to watch Girls Under 21 in Canada
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Not currently available on the supported providers in Canada.
Availability can change as licenses rotate — confirm on the provider’s page before subscribing. Last checked: 14 Sept 2026.