Cast (in credits order) complete, awaiting verification
| Tom Felton | ... | Self | |
| Emma Watson | ... | Self | |
| Hugh Mitchell | ... | Self | |
| Devon Murray | ... | Self | |
| Matthew Lewis | ... | Self | |
| Sean Biggerstaff | ... | Self | |
| Rupert Grint | ... | Self | |
| Daniel Radcliffe | ... | Self | |
| Bonnie Wright | ... | Self | |
| Rest of cast listed alphabetically: | |||
| Kenneth Branagh | ... | Prof. Gilderoy Lockhart (archive footage) (uncredited) | |
| Jason Isaacs | ... | Lucius Malfoy (archive footage) (uncredited) | |
| Maggie Smith | ... | Prof. Minerva McGonagall (archive footage) (uncredited) | |
Produced by
| Michael Crawford | ... | executive producer (uncredited) |
Sound Department
| Chris Colley | ... | re-recording mixer (uncredited) |
