Photos: Cheyenne Jackson Begins Shooting for 'Curb Your Enthusiasm'

Broadway favorite Cheyenne Jackson will be guest starring on HBO's Curb Your Enthusiasm next season and was recently spotted filiming in Washington Square Park.

Curb Your Enthusiasm is the brianchild of Seinfeld writer, co-creator, and executive producer Larry David. The series follows David, who plays a fictonalized version of himself, and his life as a semi-retired writer, producer, and actor in Los Angeles. Curb Your Enthusiasm is "loosely scripted," with most of the dialogue improvised by the actors. The series has been nominated for thirty Emmy Awards and won the 2002 Golden Globe Award for Best Television Series - Musical or Comedy.

Seven seasons consisting of 70 episodes have aired, with the seventh season ending on November 22, 2009. In April 2010, HBO officially announced that the series will return for a ten-episode eighth season, scheduled to air in 2011, making it HBO's longest-running scripted series.

Cheyenne Jackson, currently on NBC's "30 Rock" as fresh-faced, Canadian street performer "Danny Baker," is also a powerhouse presence on Broadway, with starring roles in "Finian's Rainbow," "Damn Yankees" and "Xanadu."

Cheyenne is an international ambassador for amfAR (The Foundation for AIDS Research) and a national ambassador and spokesperson for HMI (The Hetrick-Martin Institute).