Wally speaks to Eddie Haskell on the phone, but Eddie does not appear. In fact, Eddie appears in only a handful of shows in season 5. Ken Osmond, who plays Eddie, was in the U.S. Army Reserve at the time, and during his service he was given limited time for participation in the making of the show.
Earlier in the season, David Kent played Wally's friend Scott. In this episode, he plays Wally's friend Bill Scott,
Beaver gives his home address as 211 Pine St.