George Sanders Gordon Zellaby Barbara Shelley Anthea Zellaby Martin Stephens David Zellaby Michael Gwynn Alan Bernard Laurence Naismith Dr. Willers Richard Warner Harrington Jenny Laird Mrs. Harrington Thomas Heathcote James Pawle Charlotte Mitchell Janet Pawle Rosamund Greenwood Miss Ogle Peter Vaughan P.C. Gobby John Phillips General Leighton Richard Vernon Edgar Hargraves John Stuart Professor Smith Tom Bowman Pilot Anthony Harrison Lieutenant Gerald Paris Sapper George Sanders Gordon Zellaby Barbara Shelley Anthea Zellaby Martin Stephens David Zellaby Michael Gwynn Alan Bernard Laurence Naismith Dr. Willers Richard Warner Harrington Jenny Laird Mrs. Harrington Thomas Heathcote James Pawle Charlotte Mitchell Janet Pawle Rosamund Greenwood Miss Ogle Peter Vaughan P.C. Gobby John Phillips General Leighton Richard Vernon Edgar Hargraves John Stuart Professor Smith Tom Bowman Pilot Anthony Harrison Lieutenant Gerald Paris Sapper John Kelly Child