Watchers
David Godolphin (godolphin), head of the Council - Harrison Ford
Lynn Thomas (lynnthomas) - Kim Delaney
Ieuan Davis-Jones (ieuandavisjones) - Ioan Gruffudd
Sean Donovan (sean_donovan) - Orlando Bloom
Scott Samson (scottsamson) - Jude Law
Luke Morgan (sarcasto_guy) - Gale Harold
Andrew Wells (addicted_andrew) - Tom Lenk
Slayers
Triffy Jordan (triffy) - Mila Kunis
Violet McKenzie (violetmckenzie) - Kate Winslett
Tarragon Robinson (tarragon_r) - Drew Barrymore
Samantha Spender (iwouldnt_fear) - Jennifer Love Hewitt
Dana (theycanthearyou) - (should be able to find this one)
Arianna Howell (chaotic_slayer) - Keira Knightley(the irony is getting more than a little thick, here...)
Assorted Good Guys
Tara Maclay (taramber) - Amber Benson
Willow Rosenberg (old_reliable) - Alyson Hannigan
Dawn Summers (mourning_dawn) - Michelle Trachtenberg
Jenna Caldera (wiccanjenna) - Julia Stiles
Alexis Marie [surname?] (alexis_marie) - Amanda [surname?]
Ashley Grant (dr_ashley_grant)
Naughty Types
Raven du Coeur (raven_du_coeur), vampire - Kate Beckinsale (Underworld)
"Grey Area"
Ethan Rayne (letchaosrayne) - Robin Sachs