The screen's number one society sleuth in a crime riddle dark with mystery!

A doctor is driven into an investigation of sinister goings-on at a horse race track by his mystery writer ex-wife.

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Main Cast: William Powell, Jean Arthur, James Gleason, Eric Blore, Robert Armstrong, Lila Lee, Grant Mitchell, Erin O'Brien-Moore, Ralph Morgan, Lucile Gleason

Director: Stephen Roberts

Writers: Anthony Veiller, James Edward Grant

Editor: Arthur Roberts

Cinematographer: J. Roy Hunt

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