• 
  Ken Hughes

  regizor

• 
  Charles Hawtrey

  Office Boy
• 
  Gene Nelson

  Mike Delaney
• 
  Dervis Ward

  Allegan
• 
  Peter Arne

  Dr. Stephen Rayner/Jarvis
• 
  Carl Jaffe

  Dr. Marks
• 
  Barry MacKay

  Inspector Hammond
• 
  Donald Gray

  Robert Maitland

• 
  Joseph Tomelty

  Detective Inspector Cleary

• 
  George Melachrino

  music department
• 
  Jim O'Connolly

  production manager
• 
  Peter Davies

  sound department