A grease monkey discovers a defect in an auto engine being turned out by his employer. But since our hero discovers this only after losing an important race, his boss chalks up the loss to Fairbanks' supposed cowardice.
Douglas Fairbanks Jr.
as Vernon Keith
Sally Blane
as Ethel Hume
Charles Byer
as George Marshall
Arthur Metcalfe
as Fergus Hume
Kit Guard
as Goof Goober
Byron Douglas
as Benton
James Pier Mason
as Derne
Joel McCrea
as Undetermined Secondary Role (uncredited)
