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.

Question: What did he play in after that?
Self-contained rewrite: What did Paul Rudd play in after Gen-Y Cops?