There is a scene where Chandler and Cassie meet, Chandler gawks at her. However, Matthew Perry and Denise Richards never actually worked together, as Perry was in rehab, leaving Richards to work with a stand-in.
Chandler only appears for about 100 seconds, making it his shortest appearance in the series.
This is the second time in the series where Joey auditions for a character who has to be naked.
Monica and Ross' cousin is never seen at the wedding.
Denise Richards was married to Charlie Sheen who also appeared on the show as Phoebe's boyfriend Ryan.