The Spiked Switch

Helen Gibson

Helen

George A. Williams

Engineer Trent

Roy Watson

The Chief Dispatcher

Pearl Anibus

Ruth Trent - the Engineer's Daughter

Scott Pembroke

Hume - the Fireman

The Skull

⭐ N/A

A Prowler in the Heart

⭐ N/A

The Murderers

⭐ N/A

The Silver Greyhound

⭐ 9.0

Gehenna

⭐ N/A