• 
  John Wood

  Fotograf
• 
  Peter Bowles

  Williams
• 
  James Cairncross

  Dr. Ashton
• 
  Pauline Winter

  Miss Lang
• 
  Harry H. Corbett

  Superintendant Hammond
• 
  Anthony Wager

  Radar Operator
• 
  Yvonne Andre

  Madame Dupont
• 
  Stephen Jack

  Sinclair

• 
  Clinton Greyn

  Basil Swain
• 
  Ivor Dean

  Gaston Dupont

• 
  James Eastwood

  scriitor