- as Holly
- as Gerry
- as Denise
- as Sharon
- as John
- as Patricia
- as Daniel
- as Ciara
- as William
- as Rose Kennedy
- as Martin Kennedy
- as Tom
- as Barbara
- as Vicky
- as Ted
- as Guy with Clipboard
- as Leprechaun
- as Mailman
- as Bartender
- as Bar Patron #4
Watch "P.S. I Love You":