Besides and beside

[Belly T]

What's the diff between "besides" and "beside"?
I know Besides means "as well as", but what about in this sentence:
" Who was at the party besides Mike and John"?

[RonBee]

A: Who was at the party besides Mike and John?
B: Quite a few people. There was Patty. There was Linda. there was Sharon. There was Dirk. And others.
A: Was Debbie there?
B: I don't think so.

A: Who is that standing beside you in that photograph?
B: That's Melissa. Isn't she a doll?

besides -- other than
beside -- next to


~R