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
Philo Vance
Vivian Austin
Laurian March (as Terry Austin)
Frank Jenks
Ernie Clark
Tala Birell
Tina Cromwell
Gavin Gordon
Oliver Tennant
Cliff Clark
Inspector Walsh
James Burke
Lt. Burke
Toni Todd
Geegee Desmond
