Conversation so far:
What leading roles did Paul Rudd have?
Rudd again appeared with Jason Segel in I Love You Man where he and Segel play buddies who bond over their shared love for the rock band Rush.
What happened in 2000?
He played FBI Agent Ian Curtis in Benny Chan's 2000 Hong Kong action film Gen-Y Cops.
What did he play in after that?
In 2002, he was cast on the sitcom Friends as Mike Hannigan, who dates and then marries Phoebe Buffay, played by Lisa Kudrow.
Did he play in any other well known shows or movies?
He starred in the comedy film This Is 40 with Leslie Mann, a spinoff from Knocked Up, which was directed and produced by Apatow.
What happened in 2009?
in 2009, Rudd co-created the TV series Party Down with John Embom, Rob Thomas and Dan Etheridge.
He lent his voice to the DreamWorks computer-animated hit movie Monsters Vs.
Aliens.
Anything else interesting happen in this time period?
In 2009, Rudd again appeared with Jason Segel in I Love You Man where he and Segel play buddies who bond over their shared love for the rock band Rush.

Question: Who else did he co star with?
Self-contained rewrite: Aside from Jason Segel, who else did Paul Rudd co star with?