Scientific detective Coke Ennyday comes to the rescue of a damsel in distress, known only as 'The Little Fish Blower', when a drug smuggler plots to force her to marry him.

Douglas Fairbanks
as Coke Ennyday / Douglas Fairbanks

Bessie Love
as The Little Fish Blower

Allan Sears
as Gent Rolling in Wealth

Tom Wilson
as Police Chief I.M. Keene

Alma Rubens
as Wealthy Gent's Female Confederate

George Hall
as Japanese Accomplice (uncredited)

William Lowery
as Gang Leader (uncredited)

Joe Murphy
as Footman on Vehicle (uncredited)

Charles Stevens
as Japanese Accomplice (uncredited)

B.F. Zeidman
as Scenario Editor (uncredited)