| Sarah Michelle Gellar | Buffy Summers |
| Nicholas Brendon | Xander Harris |
| Alyson Hannigan | Willow Rosenberg |
| Charisma Carpenter | Cordelia Chase |
| David Boreanaz | Angel |
| Anthony Head | Rupert Giles
(as Anthony Stewart Head) |
| Seth Green | Oz |
| James Marsters | Spike |
| Robin Sachs | Ethan Rayne |
| Juliet Landau | Drusilla |
| Armin Shimerman | Principal Snyder |
| Larry Bagby | Larry Blaisdell
(as Larry Bagby III) |
| Abigail Gershman | Girl |
| Twyla Banks | Girl /
Gennie
(uncredited) |
| Steven D. Fernandez | Little Trick o Treat Boy
(uncredited) |
| Julia Jasunas | Trick-or-Treater
(uncredited) |
| Marjorie Lovett | Mrs. Parker
(uncredited) |