CRAIG KILBORN Monday Bob Costas, Laura Prepon, musical guest Peter Frampton Tuesday Rick Schroder, comedian Eddie Izzard, Survivor contestant Stacey Stillman Wednesday Eric McCormack, musical guests Luna Thursday Patricia Heaton, Verne Troyer Friday Musical guests Duran Duran, The Real World's Melissa Howard

DAVID LETTERMAN Monday John Travolta (R) Tuesday Kim Basinger, musical guests Oasis (R) Wednesday Michael J. Fox, Richard Harris (R) Thursday Salma Hayek, Ray Romano (R) Friday Richard Simmons (R)

JAY LENO Monday Comedian Willie Barcena, musical guests Everclear Tuesday Richard Simmons, Nicole Sullivan (Mad TV), musical guest Billy Gilman Wednesday Spencer Breslin, Mary Elizabeth Mastrantonio Thursday George Clooney, musical guests Dogstar

CONAN O'BRIEN Monday Mira Sorvino, Jack Black, musical guest Elliot Smith (R) Tuesday Christopher Meloni Thursday Rebecca Romijn-Stamos Friday Musical guests Papa Roach

ROSIE O'DONNELL Monday Tom Cruise (R) Tuesday John Travolta, Amy Brenneman, musical guests Hanson (R) Wednesday Halle Berry, Mary Louise Parker (R) Thursday Winona Ryder, William H. Macy (R) Friday Alec Baldwin, Angie Harmon (R)


Sign up for EW.com's What to Watch Newsletter!

What to watch on TV. Hear what's on tap for the night ahead and get witty, morning after recaps of top shows (sent weekday mornings).