REVENGE - "Duress" - An unwelcome and unstable visitor makes a nightmare of Daniel's intimate birthday celebration with family and friends; Charlotte becomes a pawn in Conrad and Victoria's bitter divorce battle, and Emily watches her ultimate plan begin to unravel, on "Revenge," WEDNESDAY, JANUARY 4 (10:00-11:00 p.m., ET), on the ABC Television Network. (ABC/COLLEEN HAYES) BACKGROUND: MARGARITA LEVIEVA, CHRISTA B. ALLEN, CONNOR PAOLO, MADELEINE STOWE, HENRY CZERNY, ASHLEY MADEKWE; FOREGROUND: NICK WECHSLER, EMILY VANCAMP, JOSH BOWMAN