A private detective hired by Tom to investigate whether Sam's apparent death was an accident or murder, Stewart tricks Edna into revealing that Sam is alive. He blackmails her while stalling Tom, then tracks Sam and blackmails him as well. During the confrontation at Sam's hideout, Edna falls to her death while struggling with Stewart, whom police arrest.
Madden is identified as one of the passengers traveling with Carter, Ryan, and Desser, who are secretly members of the hijacking gang. The group plans to seize the aircraft, rob its passengers, and steal the money in the safe. The plot summary does not assign Madden a separate action beyond this gang role.
Johnstone White has 12 screen credits in a career dating back to 1935. Signature works include Shed No Tears, Anything for a Thrill, Tough to Handle. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
