Happy 39th David!
Buffy the Vampire Slayer (1992)
In this vampire comedy that pre-dates the television series, David plays Benny, a friend of the lead character, Oliver, played by Luke Perry. Benny ends up becoming a vampire himself.
Also in this film is Kristy Swanson as Buffy, Donald Sutherland in the role of the watcher, Merrick, Rutger Hauer as Lothos, the main villain, and Paul Reubens, who plays Amilyn, the assistant to Lothos.
Directed by Wes Craven and spawning several sequels, David plays Deputy Dewey Riley in this film.
Also in this film are Neve Campbell, Courteney Cox, Rose McGowan, Skeet Ulrich, Jamie Kennedy, Drew Barrymore, and Liev Schreiber in one of his earliest roles.
It's a Very Muppet Christmas Movie (2002)
Yeah, I know, it's a up Muppet movie, what can I say?
This movie is loosely based on the Christmas classic It's a Wonderful Life with Kermit the Frog playing the main character who wishes he had never been born with Arquette playing the "angel" who has to show him what life would be like without him.
Also cast in this movie are Joan Cusack, Whoopi Goldberg, William H Macy, Mel Brooks, Carson Daly, Molly Shannon, Kelly Ripa, Zach Braff, among many others.