When Henry fails yet again to hand in his homework for the umpteenth time, he has no idea that this will set off a chain of events which will see him forming an unlikely alliance with Moody Margaret, the infuriating girl next door, and his irritating little brother Perfect Peter, outwitting corrupt School Inspectors and toppling an evil Headmaster, winning a talent contest and facing his ultimate nemesis with no way out - all because he is trying to save the very school which he has always professed to hate!
Richard E. Grant....Vic Van Wrinkle
Parminder Nagra....Miss Lovely
Helena Barlow....Sour Susan
Noel Fielding....Ed Banger
Prunella Scales....Great Aunt Greta
Theo Stevenson....Horrid Henry
Tyger Drew-Honey....Stuck-up Steve
Rebecca Front....Miss Oddbod
Kimberley Walsh....Prissy Polly
Jo Brand....Demon Dinner Lady
David Schneider....Soggy Sid
Helen Lederer....Rich Aunt Ruby
Filmography links and data courtesy of The Internet Movie Database.