TRUE : IMDB Summary

Thanks to GregDean for compiling the following for us from the IMDB listings.

To follow up the possibility that IMDb might be getting more reliable, here's a rundown on things I noticed about the listings for the first 6 episodes. Some of this is already known, but I'm giving you the complete lists anyway, for completion's sake. I'd also note that they list Richard Alpert in the same section as "main cast."

5.01: Because You Left
All main cast, except Daniel Dae Kim (Jin) is credit only. Supporting: Nestor Carbonell (Richard Alpert), Sam Anderson (Bernard), L. Scott Caldwell (Rose)

5.02: The Lie
All main cast, except Daniel Dae Kim (Jin) is credit only. Supporting: Nestor Carbonell (Richard Alpert), Cheech Marin (David Reyes), Michelle Rodriguez (Ana Lucia Cortez), Todd Bryant (Mattingly), Dana Sorman (Darlene)

5.03: Jughead
All main cast, except Daniel Dae Kim (Jin) is credit only. Supporting: Nestor Carbonell (Richard Alpert), Sonya Walger (Penelope Widmore), Imelda Corcoran (Abigail Spencer)

5.04: The Little Prince
All main cast, *including* Daniel Dae Kim (Jin). Supporting: Nestor Carbonell (Richard Alpert), Mira Fulan (Danielle Rousseau), Melissa Farman (Young Danielle Rousseau), , Guilliaume Dabinpons (Robert), Marc Menard (Montand)

5.05: This Place is Death
All main cast, *including* Daniel Dae Kim (Jin). Supporting: Nestor Carbonell (Richard Alpert), Bruno Bruni Jr. (Brennan)

5.06: The Life and Death of Jeremy Bentham
All main cast, *including* Daniel Dae Kim (Jin). Supporting: Nestor Carbonell (Richard Alpert), Malcolm David Kelley (Walt Lloyd), Lance Reddick (Matthew Abaddon), Ammar Daraiseh as Hajer

Source: GregDean via IMDB