| Name | Gender | Appearances | Top Performance |
|---|---|---|---|
| Mark Wallace | Male | 1 | 18th |
| Tim Waller | Male | 23 | 1st |
| Timothy Waller | Male | 4 | 2nd |
| Letty Walmsley | Female | 1 | 78th |
| Elenor Walsh | Female | 1 | 12th |
| Hollie Walsh | Female | 1 | 14th |
| Ian Walsh | Male | 1 | 19th |
| Josh Walsh | Male | 1 | 28th |
| Nathan Walsh | Male | 2 | 11th |
| Shawn Walsh | Male | 1 | 54th |
| Thomas Walsh | Male | 3 | 8th |
| Lydia Walterfang | Female | 2 | 95th |
| Josh Walters | Male | 1 | 38th |
| Liam Walton | Male | 2 | 1st |
| Hans Wannemacher | Male | 2 | 4th |
| Greg Ward | Male | 1 | 2nd |
| Jeanette Ward | Female | 2 | 80th |
| Jenny Ward | Male | 1 | 7th |
| Ben Warren | Male | 9 | 2nd |
| Matt Warren | Male | 2 | 12th |
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