Fingon

[Haakon]

I seem to be throwing in this guy all the time? Sam Claflin.

Anyway he is a good actor and maybe he doesn't sing as well as Groff but perhaps Groff would be better as Finrod... Well, here's a clip where he sings:

 

[Haakon]

Another suggestion! James Norton -


He's a good actor, very much the tragic hero type, has been mentioned in the discussions about who will be the next James Bond.