A down-on-his luck businessman organizes an excursion to Sir Henry Morgan's Island for a treasure hunt only to encounter a mysterious phantom and murder.

Dick Foran
as Bill Martin

Leo Carrillo
as Tobias Clump

Peggy Moran
as Wendy Creighton

Fuzzy Knight
as Stuff Oliver

John Eldredge
as Cousin George

Lewis Howard
as Thurman Coldwater

Hobart Cavanaugh
as Professor Jasper Quinley

Walter Catlett
as Sergeant McGoon

Ralf Harolde
as Rod Grady

Iris Adrian
as Arleen Grady
CinemaSerf
Dick Foran is "Bill" who sees an opportunity to start selling treasure-hunting tours to a nearby island he has recently inherited, where there are rumours of a great hoard buried by the famed pirate Sir Henry Morgan. He and pal Fizzy Knight ("Stuff Oliver") recruit a few gullibles and off they set. ...