Amber Benson became ‘Amber Benson as Tara’ in the guest credits from the episode Buffy vs Dracula. She was a member of the main cast credit montage for only one episode - Seeing Red, in which her character was killed.

Although Amber Benson (who played Tara) is present in the episode Villains as a body, she is not in the opening titles and is uncredited. She was credited in the series’ second run as ‘The Body‘. This is Tara’s final episode in Buffy the Vampire Slayer.

In the episode Anne, there is a shot of a lonely-looking woman standing on the streets of L.A. The same image is used in the opening credits of the spin-off series Angel.

Anthony Stewart Head was listed as a guest star in the credits from Bargaining (Part 1). Alyson Hannigan’s credit from that episode was changed to “Alyson Hannigan as Willow”.

At the end of Lessons, Spike is confronted by various manifestations in the form of previous big bads: The Master, Glory, Warren, Drusilla, Adam and the Mayor. The actors’ names were omitted from the guest stars list in the opening credits so as not to spoil the ending. Mark Metcalf …

Marc Blucas’s name was taken out of the opening credits from the episode Triangle.

The closing credits of the show were altered in two episodes. The first time was in The Puppet Show when the gang were seen performing a scene from Oedipus Rex. In Once More, With Feeling, the dance of the road sweepers was played instead of Nerf Herder’s usual theme. The …

Emma Caulfield was listed with the regulars in the script for the first time in New Moon Rising, though she was not yet added to the opening credits. She had signed a contract confirming this though. Emma was finally added to the opening credits montage in Buffy vs Dracula. …

Cast listings in the closing credits in TV shows are usually reserved only for background characters with unimportant parts, or those with no speaking roles, but occasionally main characters are listed there when their appearance is to be a surprise. Examples of this in the Buffyverse are in Two To …

Same Time, Same Place is the first episode of the series in which there are no guest stars credited at the start of the episode.

James Marsters (Spike) was uncredited in the original airing of The Harsh Light of Day but was later added to the opening credits. This was so not to spoil the surprise of his character’s reappearance.

James Marsters was added to the opening credit montage from the episode The Initiative.

Kristine Sutherland is credited as a special guest star in the episode Bring on the Night, in which Buffy dreams that she sees her mother. This is her final appearance in the series.

Marc Blucas was added to the opening credits as of the episode Doomed, an indicator to fans that his relationship with Buffy would be fairly long-term.

Though she’s credited, Charisma Carpenter does not appear in the episode Loyalty.