A boxer is killed in the ring, and the only clue is a tune that a man was whistling.
Starring
Neil Hamilton
Bill Devons
Evelyn Venable
Pauline Ward
Jimmy Wallington
Nick Nicholls
Barbara Pepper
Althea Ames
Lucien Littlefield
Watchman
Lynne Roberts
Edna Mayberry (as Lynn Roberts)
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James Spottswood
Albert 'Slats' Keefe
Reed Hadley
Ralph Mortimer
Robert Homans
Captain Joseph Filsom
William Haade
Tommy Madison - the Champ
Pat Flaherty
Ace Cummings
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Dan Tobey
Announcer Dan Tobey
