 Robbie ColtraneNarrator (voice) | Narrator (voice) |
 Daniel RadcliffeHarry Potter (archive footage) | Harry Potter (archive footage) |
 Emma WatsonHermione Granger (archive footage) | Hermione Granger (archive footage) |
 Rupert GrintRon Weasley (archive footage) | Ron Weasley (archive footage) |
 Julie WaltersMolly Weasley (archive footage) | Molly Weasley (archive footage) |
 Mark WilliamsArthur Weasley (archive footage) | Arthur Weasley (archive footage) |
 Jason IsaacsLucius Malfoy (archive footage) | Lucius Malfoy (archive footage) |
 J.K. RowlingSelf - Harry Potter Author | Self - Harry Potter Author |
| CCraig StevensSelf - Film Critic | Self - Film Critic |
 Stuart CraigSelf - Production Designer | Self - Production Designer |
 Ben ShephardSelf - TV Presenter | Self - TV Presenter |
 Liz McClarnonSelf - Singer | Self - Singer |
 Michael BallSelf - Singer | Self - Singer |
 Miquita OliverSelf - TV Presenter | Self - TV Presenter |
 David YatesSelf - Harry Potter Director | Self - Harry Potter Director |
 Hayley TamaddonSelf - Actress | Self - Actress |
 Anna WilliamsonSelf - Daybreak Correspondent | Self - Daybreak Correspondent |
 Will YoungSelf - Singer | Self - Singer |
| PPaul RossSelf - TV and Film Critic | Self - TV and Film Critic |
 Ralph FiennesSelf - Lord Voldemort | Self - Lord Voldemort |
 David HeymanSelf - Harry Potter Producer | Self - Harry Potter Producer |
 Rowland RivronSelf - Comedian | Self - Comedian |
 Nick DudmanSelf - Special Make-up Effects | Self - Special Make-up Effects |
 Matthew LewisSelf - Neville Longbottom | Self - Neville Longbottom |
 Brian ConleySelf - Comedian | Self - Comedian |
 Richard CurtisSelf - Writer and Director | Self - Writer and Director |
 Tim BurkeSelf - Visual Effects Supervisor | Self - Visual Effects Supervisor |
 James PhelpsSelf - Fred Weasley | Self - Fred Weasley |
 Oliver PhelpsSelf - George Weasley | Self - George Weasley |
 David ThewlisSelf - Remus Lupin | Self - Remus Lupin |
