Character Name : Ivan Mason / Dr. James Paxton

Original Name : Derek Farr

Gender : Male

Character Name : Rhona Ellison

Original Name : Ella Raines

Gender : Female

Character Name : Prof. Cattrell

Original Name : Donald Wolfit

Gender : Male

Character Name : Nurse Mitzi

Original Name : Lisa Daniely

Gender : Female

Character Name : Dr. Manning

Original Name : Bruce Beeby

Gender : Male

Character Name : Scotland Yard Supt. Davidson

Original Name : Russell Napier

Gender : Male

Character Name : Dr. Kelly

Original Name : Cyril Cusack

Gender : Male

Character Name : Medwood Inspector Hayman

Original Name : Frederick Piper

Gender : Male

Character Name : Dmitri Balinkev

Original Name : Karl Stepanek

Gender : Male

Character Name : Ambulance Driver

Original Name : Alfred Maron

Gender : Male

Character Name : George White - the Gamekeeper

Original Name : John Welsh

Gender : Male

Character Name : Mrs. Lemmin - the Landlady

Original Name : Olive Sloane

Gender : Female