Originally Posted by JeffLowell
Having your main character and protagonist be different people might qualify.
Not according to the experts.
I can think of quite a few movies with seperate protags and MCs.
To Kill a mockingbird is the text-book example.
Lord of the Rings (Gandalf the Antag vs Sauron the Protag "Sauron desperately wants the ring, but he must not get it", Frodo is the MC).
Star wars (Emperor=protag, Rebellion=Antag "The more you tighten your grip, there more planets will slip through your fingers", luke is the MC)
There's loads of examples