David Arquette has joined the cast of the ABC comedy series In Case of Emergency. ABC's Emergency, which has a six-episode commitment, revolves around four high school friends who unexpectedly reunite during a crossroads in their lives.

The Hollywood Reporter also reports that ABC has added names to four of its drama pilots: Peter Facinelli has signed on as the second lead in Enemies, Sarah Clarke has joined A House Divided, Charlotte Ross has come aboard Ugly Betty, and Sean Patrick Flanery has joined Secrets of a Small Town. In other pilot castings, Fox has confirmed that Lenny Clarke will co-star with Rob Corddry in the comedy pilot Becoming Glen. Cameron Richardson has signed on to the Fox comedy pilot If You Lived Here You'd Be Home by Now while Natalie Garza has joined another Fox comedy pilot, The 12th Man. Also, CBS has booked Michael Gaston in the drama pilot Jericho, and USA Network has tapped Lesley Ann Warren for its drama pilot In Plain Sight.