Later , she extracts what appears to be a shark 's tooth from one of the wounds .
Her employer Dick Richie ( Mark Hengst ) believes them to be from a tanker propeller , but MacNeil insists they appear to be from a creature .
Later , MacNeil extracts what appears to be a shark 's tooth from one of the wounds .
Her employer Dick Richie ( Mark Hengst ) believes them to be from a tanker propeller , but MacNeil insists they appear to be from a creature .