Emilie de Ravin at the Los Angeles Premiere of The Hills Have Eyes, Los Angeles, California - 09.03.06 and Matthew Fox at the Late Show with David Letterman at the Ed Sullivan Theatre, New York City, USA - 21.02.06

In the show, Rodriguez's character ANA LUCIA accompanies Jack's father to visit his Australian daughter - who isn't shown onscreen.

Rodriguez says, "I believe Claire and Jack are siblings. But that's all left up in the air."