Director: Edwin L. Marin
Two people with ties to rich murdered socialite Lowe Hammle die from unusual suicides—but Vance suspects foul play.
Edmund Lowe
Philo Vance
Virginia Bruce
Zalia Graem
Benita Hume
Nurse Gladys Beeton
Douglas Walton
Floyd Garden
Nat Pendleton
Sergeant Ernest Heath
Gene Lockhart
Edgar Lowe Hammle
H.B. Warner
Major Fenwicke-Ralston
Kent Smith
Woode Swift
Grant Mitchell
District Attorney Markham
Frieda Inescort
Mrs. Madge Fenwicke-Ralston
Henry B. Walthall
Dr. Garden
Jessie Ralph
Mrs. Hammle
Charles Trowbridge
Inspector Colby
Etienne Girardot
Dr. Doremus
William Austin
Sneed, Hammle's Butler (Uncredited)
Don Brodie
Messenger (Uncredited)
Olaf Hytten
Vance's Butler (Uncredited)
Rosalind Ivan
Mrs. Jepson (Uncredited)
Fred Kelsey
Heath's Assistant (Uncredited)
Wilbur Mack
Man Yelling at Race Track (Uncredited)
Edmund Lowe
Philo Vance
Virginia Bruce
Zalia Graem
Benita Hume
Nurse Gladys Beeton
Douglas Walton
Floyd Garden
Nat Pendleton
Sergeant Ernest Heath
Gene Lockhart
Edgar Lowe Hammle
H.B. Warner
Major Fenwicke-Ralston
Kent Smith
Woode Swift
Grant Mitchell
District Attorney Markham
Frieda Inescort
Mrs. Madge Fenwicke-Ralston
Henry B. Walthall
Dr. Garden
Jessie Ralph
Mrs. Hammle
Charles Trowbridge
Inspector Colby
Etienne Girardot
Dr. Doremus
William Austin
Sneed, Hammle's Butler (Uncredited)
Don Brodie
Messenger (Uncredited)
Olaf Hytten
Vance's Butler (Uncredited)
Rosalind Ivan
Mrs. Jepson (Uncredited)
Fred Kelsey
Heath's Assistant (Uncredited)
Wilbur Mack
Man Yelling at Race Track (Uncredited)
Edmund Lowe
Philo Vance
Virginia Bruce
Zalia Graem
Benita Hume
Nurse Gladys Beeton
Douglas Walton
Floyd Garden
Nat Pendleton
Sergeant Ernest Heath
Gene Lockhart
Edgar Lowe Hammle
H.B. Warner
Major Fenwicke-Ralston
Kent Smith
Woode Swift
Grant Mitchell
District Attorney Markham
Frieda Inescort
Mrs. Madge Fenwicke-Ralston
Henry B. Walthall
Dr. Garden
Jessie Ralph
Mrs. Hammle
Charles Trowbridge
Inspector Colby
Etienne Girardot
Dr. Doremus
William Austin
Sneed, Hammle's Butler (Uncredited)
Don Brodie
Messenger (Uncredited)
Olaf Hytten
Vance's Butler (Uncredited)
Rosalind Ivan
Mrs. Jepson (Uncredited)
Fred Kelsey
Heath's Assistant (Uncredited)
Wilbur Mack
Man Yelling at Race Track (Uncredited)