Donald PleasenceDr. Hawley Harvey Crippen Coral BrowneBelle Crippen Samantha EggarEthel Le Neve Donald WolfitR.D. Muir (as Sir Donald Wolfit) James Robertson JusticeCaptain McKenzie Douglas Bradley-SmithDr. Pepper Olga LindoMrs. Clara Arditti Elspeth MarchMrs. Jackson Paul CarpenterBruce Martin John ArnattChief Inspector Dew Oliver JohnstonLord Chief Justice Edward UnderdownThe Governor Totti Truman TaylorMiss Curnow Terence BrookPolice Sergeant Outside Courtroom (uncredited) Eric DodsonDefence QC Clerk (uncredited) Max FaulknerRadio Officer Andrews (uncredited) Guy StandevenShips Steward (uncredited) John TathamCourtroom Spectator (uncredited) Robert JonesArt Direction Nicolas RoegDirector Of Photography 
