Danger Lights

Head railroad man Dan is as ugly as he is honorable. When he spots a drifter who'd hopped a freight held up by a landslide, Dan offers the man a job; then he finds the man was a railroader, too, and takes him under his wing. Engaged to Mary, Dan doesn't notice the growing attraction between his protégé and his intended but focuses instead on running the railroad.

• George B. SeitzDirector

• Louis WolheimDan Thorn
• Robert ArmstrongLarry Doyle
• Jean ArthurMary Ryan
• Hugh HerbertProfessor
• Frank SheridanEd Ryan
• Robert EdesonTom Johnson
• Alan RoscoeJim
• William P. BurtChief Dispatcher
• Jim FarleyJoe Geraghty
• James DonlanPicnic Barker (uncredited)
• Frank MillsHobo (uncredited)
• Lee PhelpsRailroad Worker (uncredited)