Welcome to your Friday morning television briefing. Showtime's Dexter is on a casting role. Variety 's Stuart Levine is reporting that Jonny Lee Miller ( Eli Stone ) is the latest to board the serial killer drama, signing on to appear in a multiple-episode story arc on Season Five of Dexter . Miller will play "a mysterious man who ends up tangled in a storyline with Julia Stiles, who is beginning her first season on the skein." ( Variety ) Entertainment Weekly 's Michael Ausiello is reporting that Jordana Spiro has exited NBC's midseason romantic anthology series Love Bites . Spiro's participation in the series was always in second position to her role on TBS comedy My Boys , which returns for its fourth season next month. "Although the odds appear slim that TBS will renew the show for a fifth season (season 4 premieres July 25), it was a risk NBC apparently wasn’t willing to take," writes Ausiello. "It’s unclear if her role will be recast.