The following stars are coming out for a special on HBO: Andy Samberg, Kit Harington, Fred Armisen, Lena Dunham, Will Forte, Howie Mandel, Michael Sheen, Mary Steenburgen, June Squibb and Soledad O’Brien.

“The one-off HBO Comedy Event is described as a sports mockumentary starring Samberg and ‘Game of Thrones’ breakout Kit Harington as fierce tennis rivals in an epic, seven-day match at Wimbledon,” writes Lesley Goldberg in The Hollywood Reporter. Samberg will play Aaron Williams, a superstar tennis “bad boy,” while Harington is set as Charles Lloyd Poole, an Andy Murray-type prodigy and certified truck driver who takes on Williams at Wimbledon 2004.

Andy Samberg on “SNL”