Heh.. unfortunately, no, Mark Hamil wasn't in the movie (Blair was played by Freddy Prince Jr. instead

). Still, they did go a long way towards turning it into Star Wars.
Regardless, it would appear Wing Commander isn't the most popular sci-fi movie (it was quite entertaining actually), so I'll try another question:
The conflict between The Shadows and The Vorlons (Babylon 5) was as much a philosophical dispute as anything else. What were the most important aspects of their respective beliefs?