But can you guess who Katie's Our Town co-star ... Like Parsons, Holmes is all too familiar with what it's like starring on a hit TV show. She famously played Joey Potter on the teen drama ...

Katie Holmes is ... Joey Potter on the TV series Dawson's Creek, which ran from 1998 to 2003. She made her film debut in 1997's The Ice Storm and had subsequent roles in movies such as Pieces ...

Katie Holmes was cast as the romantic lead opposite Christian Bale in Warner Bros.' reboot of the Batman franchise, "Batman Begins." It was Holmes' biggest role since the end of the hit TV show ...

How many Broadway shows has Katie Holmes been in? Katie Holmes has appeared on Broadway in 4 shows. How many West End shows has Katie Holmes been in? Katie Holmes has not appeared in the West End.

Castaldo - who used to wear a radio around his neck - has made over 300 cameo appearances in films and TV shows ... Town marks Holmes' first professional acting gig since playing movie star ...