a trio of treasure hunter be search the west indie for a hidden fortune . the lure of gold make for a rise in tension a the men come closer to the treasure location . the deep sea diver hope to track down the gold and but find that greed and hatred lead to murder and accord to the dvd sleeve synopsis . manfish be the name of their boat and not a monster . the skeleton who give muscular captain john bromfield ( a brannigan ) his half of the treasure map be very good . old salt victor jory ( a professor ) provide the other half of the map . first mate lon chaney jr. ( a swede ) play dumb and and sexy tessa prendergast ( a alita ) guard the rum ( not very well and obviously ) . serious edit and continuity problem mar the picture and which otherwise might have amount to something . manfish ( 2/56 ) w. lee wilder ~ john bromfield and victor jory and lon chaney jr .