Suggest an edit19:15Francis L. Sullivan in 'THE LOST WORLD'BBC Home Service Mon 8th May 1944, 19:15 on BBC Home Service BasicView in Radio Timesby Sir Arthur Conan Doyle. Adapted for broadcasting by Peggy Wells , and produced by Martyn C. Webster. Episode 3-' The Edge of Terror 'ContributorsUnknown:Sir Arthur Conan Doyle.Broadcasting By:Peggy WellsProduced By:Martyn C. Webster.Professor Challenger:Francis L. SullivanProfessor Summerlee:Ivor BarnardLord John Roxton:Alan HowlandEdward Malone:Lewis StringerGomez:Ian SadlerAnnouncer:Richard Williams Source: Radio Times Suggest an edit