Private Detective Philo Vance gets involved with a succession of murders and a mystery concerning the disappearance of an emerald that has been smuggled into the United States.
Alan Curtis
as Philo Vance
Vivian Austin
as Laurian March (as Terry Austin)
Frank Jenks
as Ernie Clark
Tala Birell
as Tina Cromwell
Gavin Gordon
as Oliver Tennant
Cliff Clark
as Inspector Walsh
James Burke
as Lt. Burke
Toni Todd
as Geegee Desmond
Francis Pierlot
as Roberts
Joseph Crehan
as Ellis Mason
Garnett Marks
as Charles O'Mara
Grady Sutton
as Willetts
