Réalisation: Nick Moore
Jamais en panne d'imagination, le jeune Henry mène la vie dure à ses parents. Le jour où sa nouvelle maîtresse débarque, le garçon va déclencher une série d’évènements incontrôlables...
Theo Stevenson
Horrid Henry
Anjelica Huston
Miss Battleaxe
Ross Marron
Perfect Peter
Parminder Nagra
Miss Lovely
Mathew Horne
Dad
Siobhan Hayes
Mum
Richard E. Grant
Vic Van Wrinkle
Prunella Scales
Great Aunt Greta
Scarlett Stitt
Moody Margaret
Lloyd Howells
Rude Ralph
David Schneider
Soggy Sid
Kimberley Walsh
Prissy Polly
Billy Kennedy
Weeping William
Noel Fielding
Ed Banger
Jo Brand
Demon Dinner Lady
Helen Lederer
Rich Aunt Ruby
Rebecca Front
Miss Oddbod
Jack Sanders
Aerobic Al
Reuben Lee
Brainy Brian
Helena Barlow
Sour Susan
Theo Stevenson
Horrid Henry
Anjelica Huston
Miss Battleaxe
Ross Marron
Perfect Peter
Parminder Nagra
Miss Lovely
Mathew Horne
Dad
Siobhan Hayes
Mum
Richard E. Grant
Vic Van Wrinkle
Prunella Scales
Great Aunt Greta
Scarlett Stitt
Moody Margaret
Lloyd Howells
Rude Ralph
David Schneider
Soggy Sid
Kimberley Walsh
Prissy Polly
Billy Kennedy
Weeping William
Noel Fielding
Ed Banger
Jo Brand
Demon Dinner Lady
Helen Lederer
Rich Aunt Ruby
Rebecca Front
Miss Oddbod
Jack Sanders
Aerobic Al
Reuben Lee
Brainy Brian
Helena Barlow
Sour Susan
Theo Stevenson
Horrid Henry
Anjelica Huston
Miss Battleaxe
Ross Marron
Perfect Peter
Parminder Nagra
Miss Lovely
Mathew Horne
Dad
Siobhan Hayes
Mum
Richard E. Grant
Vic Van Wrinkle
Prunella Scales
Great Aunt Greta
Scarlett Stitt
Moody Margaret
Lloyd Howells
Rude Ralph
David Schneider
Soggy Sid
Kimberley Walsh
Prissy Polly
Billy Kennedy
Weeping William
Noel Fielding
Ed Banger
Jo Brand
Demon Dinner Lady
Helen Lederer
Rich Aunt Ruby
Rebecca Front
Miss Oddbod
Jack Sanders
Aerobic Al
Reuben Lee
Brainy Brian
Helena Barlow
Sour Susan