Guest Stars Rachel Bay Jones as Susan K.K. Moggie as Dr. Amy Chang Chosen Jacobs as Zack Waller Cornelius Smith Jr. as Corey Smith Tonya Pinkins as Marsha Smith Carl Lumbly as Alphonse Jeffries Natalie Paul as Megan Lonnie Chavis as C.J. Co Starring Carey Van Driest as D.A.R.P.A. Member #1 Joseph Mancuso as Special Agent Cutler