Martha Rodgers Character Gallery

CASTLE - "Boom!" -- Actress Dana Delany ("Desperate Housewives") will guest star in two episodes of "Castle," beginning with Part 1 (entitled "Tick, Tick, Tick...") on Monday, March 22 (10:02-11:00 p.m., ET), and concluding with Part 2 (entitled "Boom!," airing 10:02-11:00 p.m., ET) on MONDAY, MARCH 29 on ABC. (ABC/DANNY FELD) STANA KATIC, SUSAN SULLIVAN, NATHAN FILLION