| Cast list | | Robin Williams | as | Reverend Frank | | Mandy Moore | as | Sadie Jones | | John Krasinski | as | Ben Murphy | | Eric Christian Olsen | as | Carlisle | | DeRay Davis | as | Joel | | Christine Taylor | as | Lindsay | | Angela Kinsey | as | Judith | | Mindy Kaling | as | Shelley | | Rachael Harris | as | Janine | | Brian Baumgartner | as | Jim | | Peter Strauss | as | Mr. Jones | | Josh Flitter | as | Choir Boy | | Nicole Randall Johnson | as | Louise | | Coco d'Este | as | Susan | | Rik Young | as | Randy | | Sarah Kate Johnson | as | Laurie | | Yuki Bird | as | Carlisle' girlfriend | | Poncho Hodges | as | Security Guard - Macys | | Eurydice Davis | as | Waitress | | Suzanne Mari | as | Wedding guest | | David Quinlan | as | Husband | | Sharon Wissel | as | Bridesmaid | | Blaine Cade | as | Corry | | Craig Figueiredo | as | Doorman | | Sean Tyson | as | Starbucks patron | | William Tempel | as | Church Member | | Anna Choi | as | Birthing Mother-to-Be | | Chiu-Lin Tam | as | Starbuck's Coffee Patron |
| | Crew list: | | Ken Kwapis (Director) | | Kim Barker (Writer) | | Tim Rasmussen (Writer) |
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