Tiesittekö, että Saruman taisteli Suomen joukoissa talvisodassa?

Niin.

This refers to his service during World War Two where he took part in the Winter War, The Home Guard and was part of the predecessors of the SAS (Special Air Service), the Long Range Desert Group (LRDG). Lee took part in the Winter War of 1939 where he fought for Finland against the Soviet Union.

https://cmsm.co.uk/museums-go-to-the-movies-christopher-lee