Two people with ties to rich murdered socialite Lowe Hammle die from unusual suicides—but Vance suspects foul play.
Edmund Lowe
as Philo Vance
Virginia Bruce
as Zalia Graem
Benita Hume
as Nurse Gladys Beeton
Douglas Walton
as Floyd Garden
Nat Pendleton
as Sergeant Ernest Heath
Gene Lockhart
as Edgar Lowe Hammle
H.B. Warner
as Major Fenwicke-Ralston
Kent Smith
as Woode Swift
Grant Mitchell
as District Attorney Markham
Frieda Inescort
as Mrs. Madge Fenwicke-Ralston
Henry B. Walthall
as Dr. Garden
Jessie Ralph
as Mrs. Hammle
