Late Show with David Letterman S11E99 · Diane Sawyer, Benjamin McKenzie

Late Show with David Letterman

Season 11 · Episode 99 · Diane Sawyer, Benjamin McKenzie

Stephanie/Monty/Smitty is in dentist garb (and Dave-ordered model posture) for "CBS Mailbag;" Diane Sawyer gushes over Oprah Winfrey's 50th birthday party; Benjamin McKenzie ("The O.C.") visits.