What do The Hangover, Ocean's Eleven and Zoolander have in common? They all contain brief appearances by familiar faces -- and all were also hits with viewers. These clips show something more rare: cameos by well-known actors in not-very-popular films.

Jack Black in Melvin Goes to Dinner

Dustin Hoffman in The Holiday

Lindsay Lohan and James Franco in The Holiday

Brad Pitt and Matt Damon in Confessions of a Dangerous Mind

Meryl Streep in Stuck on You

That's just the tip of the iceberg. What are some other small parts played by big actors?