Arson, Inc.

Robert Lowery

Joe Martin

Anne Gwynne

Jane Jennings

Edward Brophy

Pete Purdy

Marcia Mae Jones

Betty - Fender's Secretary

Douglas Fowley

Frederick P. 'Fred' Fender

Maude Eburne

Grandma

William Forrest

Deputy Fire Chief / Narrator

Steve Pendleton

Murph, the undercover man (as Gaylord Pendleton)

Byron Foulger

Thomas Peyson

Matt McHugh

Hubbell

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Lelah Tyler

Mrs. Peyson

Emmett Vogan

Al, Night Watchman

John Maxwell

Detective

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Richard David

Junior Peyson

John Forsythe

Race Track Aannouncer (voice, uncredited)