• 
  Frank Launder

  regizor

• 
  Sidney Gilliat

  scenarist
• 
  Val Valentine

  scenarist

• 
  Alastair Sim

  Millicent Fritton
• 
  Guy Middleton

  Eric Rowbottom Smith
• 
  Diana Day

  Jackie
• 
  Martin Walker

  Hankinson
• 
  Annabelle Covey

  Maudie

• 
  Mary Merrall

  D-ra Buckland
• 
  Irene Handl

  D-na Gale
• 
  Betty Ann Davies

  D-ra Waters
• 
  Arthur Mullard

  Gangster
• 
  George Cole (I)

  'Flash' Harry
• 
  Jean Langston

  Rosie
• 
  Pauline Drewett

  Celia

• 
  Belinda Lee

  Amanda
• 
  Joan Sims

  Miss Dawn
• 
  Barbara Windsor

  Schoolgirl
• 
  Sid James

  Benny
• 
  Roger Delgado

  Sultan's aide
• 
  Beryl Reid

  Miss Wilson
• 
  Catherine Feller

  Schoolgirl
• 
  Noel Hood

  Bilstrom School mistress
• 
  Richard Wattis

  Manton Bassett
• 
  Jerry Verno

  Alf (bookmaker)
• 
  Eric Pohlmann

  Sultan
• 
  Jill Braidwood

  Florrie
• 
  Hermione Youlanda Ruby Clinton-Baddeley

  D-ra Drownder
• 
  Joyce Grenfell

  Policewoman Ruby Gates
• 
  Michael Ripper

  Albert Fanning
• 
  Shirley Eaton

  Sixth Former
• 
  Balbina

  Mlle de St. Emilion
• 
  Jane Henderson

  Miss Holland
• 
  Renee Houston

  Miss Brimmer (as Renée Houston)

• 
  Sidney Gilliat

  producător
• 
  Frank Launder

  producător
• 
  Stanley Pavey

  imagine
• 
  Thelma Connell

  montaj
• 
  Malcolm Arnold

  coloană sonoră