A bit of background about the Norwegian WWII fleet in allied service.
Sorry, if you want to read the entire article you have to subscribe to Shipping magazine.
PS> There was also a home fleet controlled by the German occupiers and targets for allied attacks, with many casualties, both passengers and crews:
Sorry, not much to find in English.
List of the ships in the “home fleet”:
https://www.warsailors.com/homefleet/index.html