Cast (in credits order) complete, awaiting verification
| Chris Columbus | ... | Self | |
 |
Gary Gero | ... | Self |
| David Sousa | ... | Self (as Dave Sousa) | |
|
|
James P. Warren | ... | Self (as Jim Warren) |
|
|
Julie Tottman | ... | Self |
| Rest of cast listed alphabetically: | |||
| Robbie Coltrane | ... | Rubeus Hagrid (archive footage) (uncredited) | |
| Richard Griffiths | ... | Uncle Vernon Dursley (archive footage) (uncredited) | |
| Rupert Grint | ... | Ron Weasley (archive footage) (uncredited) | |
| Harry Melling | ... | Dudley Dursley (archive footage) (uncredited) | |
| Daniel Radcliffe | ... | Harry Potter (archive footage) (uncredited) | |
| Emma Watson | ... | Hermione Granger (archive footage) (uncredited) | |
Produced by
| Michael Crawford | ... | executive producer (uncredited) |
