A: Who was at the party besides Mike and John?besides -- other than
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?
beside -- next to