Starz Entertainment has lined up a slew of celebrity guests for the upcoming season of the unscripted comedy series Head Case, which is readying production for a spring 2009 launch.

According to The Hollywood Reporter, Head Case centers on Tinseltown's judgmental and unconventional Dr. Elizabeth Goode (Alexandra Wentworth), the "it therapist" to Hollywood's celebrity elite. Her clients next season will include Playboy kingpin Hugh Hefner and his girlfriend Bridget Marquardt, Spice Girl Geri Halliwell, Weeds' Kevin Nealon, Survivor host Jeff Probst, TV reality stars Tori Spelling and hubby Dean McDermott, singer Macy Gray, CSI: NY Melina Kanakaredes and WWE star Dave Batista.