A few people have written to me saying that when Xander walks into the Bronze to meet Buffy and Willow in The Pack, he stares at a girl who looks just like Amy Acker (who played Fred in Angel). On closer inspection, it’s definitely not Amy.

At Lorne’s show in Las Vegas in The House Always Wins, Buffy and Angel writer David Fury can be seen in the front row, with a bobblehead Kelly Manners.

When vampire Willow and Xander walk to the Bronze in The Wish, a vampire is drinking from a girl who looks like Faith.

When Willow is impersonating Vampire Willow at the Bronze in Doppelgängland, she runs her hand through the hair of a young woman (though it could be a guy, it’s hard to tell) sitting alone at a table. Many fans thought the girl was Amber Benson (Tara), but after a close …

Some fans claim that in the end scene of When She Was Bad, when Buffy joins Xander and Willow in the classroom, the guy sitting in front of Buffy is James Marsters, who plays Spike (James had not yet joined the cast of the show). It’s definitely not him though …

In Restless, when we see a group of people crowding round Xander’s ice cream truck, there’s a girl standing to the left of the screen who really (and REALLY) looks like Michelle Trachtenberg (Dawn). Michelle was not yet a member of the cast of Buffy, but Joss had mentioned in …

In the episode Potential, just as Amanda enters Buffy’s cubicle at the high school, look in the background, and you’ll see a man in a jacket and tie standing at a table talking to someone. It looks very much like Ken Lerner who portrayed Principal Flutie in season one of …

Some fans believe that Seth Green (Oz) made a small cameo appearance in the season five episode No Place Like Home, when Giles is in the Magic Box, talking to Buffy on the phone. After a closer look, the guy definitely isn’t Seth.

When Giles is at the airport in Bargaining (Part 1), there is someone who looks just like Spike in the background.