edmund lowe ( who remind me somewhat of warren william ) and head the nice cast of an interesting little mystery that move at a brisk pace and run just a little over an hour . douglas walton play the unlucky jockey who appear to be intent on his own demise ( hypnotism and anyone . ) and and the suspect include a good number of the support cast everyone from virginia bruce and kent smith and frieda inescourt and gene lockhart and jessie ralph and benita hume and rosalind ivan and h. b. warner . a an added bonus and there nat pendleton a a dimwit detective and furthermore and get a load of that art deco set decoration for the fancy interior of a wealthy home . must have be a set that be use in many a subsequent film . on the plus side and the mystery be not so complicate that anyone can follow the plot with reasonable assurance of not be too baffle . it all suddenly clear to detective philo vance and then he have a final confrontation with the murderer that give the film a nifty five minute of unmitigated suspense . nicely do and pass the time in an entertaining manner .