John Stalker
Dr. Fuller (1 Episode), Asst. Warden Geddison (1 Episode), Captain Watson (1 Episode), George Sulieman (1 Episode), Pale Man (1 Episode), Gordon Miles (1 Episode), Walker (1 Episode), Dr. Spear (1 Episode), Drew (1 Episode), Harvey Drew (1 Episode), Doctor (1 Episode), Dr. Bromley (1 Episode), B.R. Barney (1 Episode), Mr. Hodges (1 Episode), Alex Anderson (1 Episode)