• 
  David Miller (I)

  regizor

• 
  Janet Green

  scenarist

• 
  Doris Day

  Kit Preston
• 
  Rex Harrison

  Anthony Preston
• 
  Roddy McDowall

  Malcolm
• 
  Rhys Williams

  Victor Elliott
• 
  John Gavin

  Brian Younger
• 
  Hayden Rorke

  Dr. Garver

• 
  Doris Lloyd

  Nora, The Housekeeper
• 
  Hermione Youlanda Ruby Clinton-Baddeley

  Dora Hammer
• 
  Myrna Loy

  Beatrice ('Aunt Bea') Corman
• 
  Natasha Parry

  Peggy Thompson
• 
  Joseph Gershenson

  Orchestra Conductor
• 
  Elspeth March

  Woman
• 
  Rex Evans

  Basil Stafford

• 
  Herbert Marshall

  Charles Manning
• 
  Alma Lawton
• 
  Keith McConnell

  Poliţist
• 
  Richard Ney (I)

  Daniel Graham
• 
  Carey Harrison

  Anthony 'Tony' Preston
• 
  Nelson Welch
• 
  John Williams

  Inspector Byrnes
• 
  Anthony Dawson

  Roy Ash
• 
  Richard Lupino

  Foster