
Betty Bryant is an ambitious newspaper reporter in love with Dan Barton, a member of a big-city Emergency Squad who are trained to deal with riots, cave-in, explosions, fires and other emergencies where lives are at stake. Slade Wiley, an unscrupulous tunnel builder, finds that his low bid on the Newford Tunnel project is causing him to lose a lot of money, and has underworld leader Nick Burton set off blasts to frighten the stockholders into selling their shares at a low price so he can buy up the stock. Betty is investigating the deal when Wiley and Burton take her on a "tour trip" to the tunnel.

as Peter Barton

as Betty Bryant

as Dan Barton

as Chester 'Chesty' Miller

as Nick Buller

as Slade Wiley

as Lt. Murdock

as H. Tyler Joyce, editor

as Fireman

as Ada Miller

as Ada's Son

as Mack - Emergency Squad Sergeant

as Workman

as Mailman

as Peter

as Jimmy

as Apartment Man

as Ambulance Interne

as Jack

as Jimmy

as Reporter

as Landlady

as Mother

as Doctor

as Workman

as Lennie - Squad Member with Newspaper

as Bob

as Crying Wife at Hospital

as Italian Deli Manager

as Mounted Policeman

as Elevator Operator

as Griggs

as Policeman

as Elevator Operator

as Elevator Operator

as The Little Girl

as Fire Captain

as Policeman

as Emily

as Wally, Squad Member

as Photographer

as Slim, Buller's Chauffeur

as Construction Supervisor at Elevator

as Apartment Woman

as Matt

as Butch, the Bomber

as Mrs. Cobb