Arson, Inc. is a 1949 American film noir directed by William Berke. It is also known as Firebug Squad and Three Alarm Fire.
Synopsis:
Undercover firefighter Joe Martin dives into a dangerous arson investigation, but as he gets closer to the truth, he and his girlfriend Jane find themselves entangled in a deadly web of deceit and danger.
Cast:
Robert Lowery as Joe Martin
Anne Gwynne as Jane Jennings
Edward Brophy as Pete Purdy
Marcia Mae Jones as Betty the Secretary
Douglas Fowley as Frederick ‘Fred’ Fender
Maude Eburne as Grandma
William Forrest as Deputy Fire Chief / Narrator
Steve Pendleton as Murph, undercover man
Byron Foulger as Thomas Peyson
Matt McHugh as Hubbell
Lelah Tyler as Mrs. Peyson
Black & White version: https://youtu.be/eyWZ6UhevbY