| Barbara | 奥莉维亚·纽顿-约翰
 | |
| David | 沙维尔·塞缪尔
 | |
| Daphne | 瑞贝尔·威尔森
 | |
| Graham | 凯文·毕晓普
 | |
| Maureen | 伊丽莎白·德比齐
 | |
| Mia | Laura Brent | |
| Luke | Tim Draxl | |
| Bridesmaid 1 | Margaux Harris | |
| Yanni the New Age Harpist | Guy Gross | |
| Wedding Guest | Matt Butcher | |
| Pap | Geordie Robinson | |
| Hero Boy at Wedding | Tom Usher | |
| Cal | Oliver Torr | |
| Wedding Singer (singing voice) | Nicky Kurta | |
| Bridesmaid 2 | Charlotte Krinks | |
| Coconut Mist Girl | Solveig Walking | |
| Airport VIP Security | David Sullivan
 | |
| Channel Ten Reporter | Angela Bishop | |
| Eddie Marshall | Alan Cinis | |
| Commissioner Leo | Kim Knuckey | |
| Celebrant Robin Arthur | Phillip Scott | |
| Car Tumble Waiter | Ben Herber | |
| Wedding Guest (as Catherine Southam) | Kate Southam | |
| Band | Lauren Cassidy | |
| Band | Alvin Ash | |
| Band | Dean Thompson | |
| Band | David Grassi | |
| Band | Nic Campbell | |
| Scared Man | Shane Bennett | |
| Second Child at Wedding | Jesse Creighton | |
| Big Issue seller | Joseph D. Kucan | |
| Tie Guy | 斯蒂芬·埃利奥特
 | |
| Security Dog at Airport | Foxy | |
| Killer Dog | Waffles the Pug | |
