| Prince Charles | 本·克劳斯
 | |
| Carole Middleton | Serena Scott Thomas | |
| Vanessa Rose Bellows | 露易丝·林顿
 | |
| Derek Rogers | Richard Reid | |
| Pippa Middleton | Mary Elise | |
| Ian Musgrave | 乔纳森·帕特里克·摩尔
 | |
| Olivia Martin | 萨曼莎·魏特克
 | |
| Trevor | Theo Cross | |
| Prince Harry | Justin Hanlon | |
| Mike Middleton | Christopher Cousins | |
| Margaret Hemmings-Wellington | 特里比尔·格罗夫
 | |
| James Middleton | 加尔文·古德斯宾克
 | |
| Celia | Victoria Tennant
 | |
| Professor Durham | Stephen Marsh | |
| Reporter #1 (uncredited) | Paulette Williams | |
| Instructor (uncredited) | Charles Shaughnessy | |
| Kate's Boss (uncredited) | Laura Waddell | |
| Paparazzi #1 | Joby Harte | |
| Paparazzi #2 | Kal Mansoor | |
| Beautiful Girl (uncredited) | Sloane Avery | |
| Birthday Girl (uncredited) | Shaela Cook | |
| Jecca Craig (uncredited) | Kristen Eck | |
| Paparazzi (uncredited) | Kain Johnson | |
| Security / Driver (uncredited) | John William King | |
| Royal Family Flight Hostess (uncredited) | Dawn Michaels | |
| (uncredited) | Kara C. Roberts | |
| Paparazzi (uncredited) | Phil Seas | |
| Mark Saunders (uncredited) | Cole Shoemaker | |
| Botswana Band Member (uncredited) | Antoine Williams | |
