Out of the 324 people on board Oceanic Flight 815, there are 71 initial survivors (70 humans and one dog) spread across the three sections of the plane crash.
[2] Before it was decided that Jack would live, Kate was to emerge as the leader of the survivors; she was originally conceived to be more like the character of Rose.
Dominic Monaghan auditioned for the role of Sawyer, who at the time was supposed to be a suit-wearing city con man.
The producers enjoyed Monaghan's performance and changed the character of Charlie, originally a middle-aged former rock star, to fit him.
Entertainment Weekly praised the show's fourth season for its "captivating minor characters (tortured Sayid, scheming Juliet, savvy Ben)".