Frank Lapidus Frank Lapidus Frank J. Lapidus is a fictional character on the ABC television series "Lost" played by Jeff Fahey. Frank is introduced in the second episode of season four as a pilot hired on a mission to the island where Oceanic Flight 815 crashed. He aids the survivors of the crash against mercenary Martin Keamy (Kevin Durand) and helps to rescue a group who become known as the Oceanic Six. Three years later, Frank encounters the group again while working as a commercial airline pilot. His plane lands back on the island, and he is forcibly taken in by a
Danielle Rousseau crew picked up a radio signal emanating from the South Pacific, which was a repeating set of six numbers: 4, 8, 15, 16, 23 and 42. While attempting to find the source of the signal, the ship ran aground on rocks surrounding the island. Before reaching the shore, Rousseau and her team found Oceanic 815 survivor Jin-Soo Kwon (Daniel Dae Kim) in the water, who had been time-travelling as a result of the time shifts which had been moving him and the flight survivors through the island's history. Rousseau later tells the survivors of Oceanic 815 that two months after