• Gerald Thomas

  regizor

• Francis Durbridge

  scenarist

• Wilfrid Hyde-White

  Harrington aka Robert Brady
• John Mills

  dr. Howard Latimer
• Noelle Middleton

  Laura James
• Derek Farr

  Kenneth Palmer
• Roland Culver

  detectivul Dane
• Lionel Jeffries

  Geoffrey Windsor

• René Ray

  dna. Ambler
• Mervyn Johns

  dr. George Kimber
• Lisa Daniely

  Frieda Veldon
• David Williams
• Diana Lambert
• Hal Osmond

  Joe
• Jim O'Brady

• Roy Everson
• Frank Forsyth

  Wallace
• John Gordon
• Patrick Halpin
• Aileen Lewis
• Fred Nicholas
• John Payne
• John Wilder
• Gillian Moran
• Hyma Beckley
• Dennis Carnell
• Fred Davis
• Mabel Etherington
• Victor Hagan
• Lindsay Hooper
• Jack May
• Joe Phelps

• Peter Rogers

  producător
• Alan Hume

  camera and electrical departme
• Otto Heller

  imagine
• Stanley Black

  coloană sonoră
• Basil Keys

  production manager