Cast
Minor Role, not listed in credits
Lloyd Williamson
Inspector Mottram
Detective SimmonsSuperintendent 
ChemistLibrarian Mrs. Hobart (deleted from US print) 
Farmer (deleted from US print)Air Hostess (deleted from US print) Minor Role, not listed in creditsа Minor Role, not listed in creditsа Scientific Conference Audience, not listed in credits 
1st Reporter, not listed in creditsHobart's Brother, not listed in credits Minor Role, not listed in creditsа Bates the Butler, not listed in credits Minor Role, not listed in creditsа Child, not listed in credits 2nd Reporter, not listed in credits Urchin, not listed in credits Ticket Collector, not listed in credits Hobart family member, not listed in credits Minor Roles, not listed in creditsа Producers
исполнительный продюсер
