Adhir Kalyan Al Actor Parker Young Riley Actor Dean Norris Art Actor Elizabeth Alderfer Lizzie Actor Kelli Goss Vanessa Actor Farrah Mackenzie Hazel Actor Brian Smith Freddy Guest Star Amanda Payton Holly Guest Star Rachel Bay Jones Lois Guest Star Clyde Kusatsu Doctor Tanaka Guest Star Artoun Nazareth Luke Guest Star John Ross Bowie Professor William Guest Star Myko Olivier Todd Guest Star Jayma Mays Cindy Guest Star Blake Clark Wayne Guest Star Zarmina Hamidi Gul Bashra Guest Star Azita Ghanizada Ariana Guest Star Wali Habib Zubair Guest Star Deniz Akdeniz Dirk Guest Star Zadran Wali Kasim Guest Star David Goetsch Executive Producer, Writer Maria Ferrari Executive Producer, Writer Chuck Lorre Executive Producer, Writer Reza Aslan Executive Producer, Writer Mahyad Tousi Executive Producer Mark Cendrowski Executive Producer, Director Anthony Del Broccolo Writer Andrew Gordon Writer Fahim Anwar Writer Bobby Telatovich Writer Nicole Lorre Director Emily Ann Brandstetter Writer Ursula Taherian Writer Chuck Tatham Writer Habib Zahori Writer