15 Unforgettable No 1 Hits! (2014 TV Special)
Full Cast & Crew
Cast
| Lily Allen | ... | Self (archive footage) | |
| Apl.de.Ap | ... | Self (archive footage) (as Black Eyed Peas) | |
| B.o.B. | ... | Self (archive footage) | |
| Lauren Bennett | ... | Self (archive footage) | |
| Beyoncé | ... | Self (archive footage) (as Beyoncé) | |
| The Black Eyed Peas | ... | Themselves (archive footage) (as Black Eyed Peas) | |
| Cheryl | ... | Self (archive footage) (as Cheryl Cole) | |
| Miley Cyrus | ... | Self (archive footage) | |
| Fergie | ... | Self (archive footage) (as Black Eyed Peas) | |
| Lady Gaga | ... | Self (archive footage) | |
| GoonRock | ... | Self (archive footage) | |
| Tip 'T.I.' Harris | ... | Self (archive footage) (as T.I.) | |
| Jessie J | ... | Self (archive footage) | |
| Jay-Z | ... | Self (archive footage) | |
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LMFAO | ... | Themselves (archive footage) |
| Macklemore | ... | Self (archive footage) | |
| Katy Perry | ... | Self (archive footage) | |
| Psy | ... | Self (archive footage) | |
| The Pussycat Dolls | ... | Themselves (archive footage) | |
| Busta Rhymes | ... | Self (archive footage) | |
| Rihanna | ... | Self (archive footage) | |
| Nicole Scherzinger | ... | Self (archive footage) (as The Pussycat Dolls) | |
| Snoop Dogg | ... | Self (archive footage) | |
| Taboo | ... | Self (archive footage) (as Black Eyed Peas) | |
| Robin Thicke | ... | Self (archive footage) | |
| Will.i.am | ... | Self (archive footage) (as Black Eyed Peas) | |
| Pharrell Williams | ... | Self (archive footage) | |
| Kimberly Wyatt | ... | Self (archive footage) (as The Pussycat Dolls) | |