Season 3 Dwarves:
Here are the dwarves we will need to cast in Season 3 (so far)
Azaghal, Lord of Belegost
Telchar, Smith of Nogrod (young here)
Dwarf of Belegost who speaks Sindarin and thus serves as an interpreter during the meeting between Thingol and Azaghal and the building of Menegroth.
Lord of Nogrod? (We will probably need him, but maybe not right away)
There will be various background/extra dwarves, of course, but these are probably the only ones we will introduce in such a way that the audience will be expected to know who they are.