Andy Samberg as Aaron Williams

Kit Harington as Charles Poole

Jon Hamm as Narrator

Michael Sheen as Caspian Wint

Karen Gillan as Lily Allsworth

Lena Dunham as Lanny Denver

Will Forte as Sandy Pickard

Fred Armisen as Edward Pudding

Mary Steenburgen as Louisa Poole

June Squibb as Queen Elizabeth

Serena Williams as Serena Williams

John McEnroe as John McEnroe

Howie Mandel as The Duke of Kent

David Copperfield as David Copperfield

Chris Evert as Chris Evert

Filip Hammar as Swedish TV Host

Dolph Lundgren as Dolph Lundgren

Jim Lampley as Jim Lampley

Soledad O'Brien as Soledad O'Brien

Chris Romano as Streaker (as Romanski)

Lyssa Roberts as Wimbledon Streaker

Henrik Rutgersson as Swedish News Anchor

Ludwig Manukian as Foreign News Anchor

Lori Morkunas Jones as Onlooker (uncredited)

Destiny Soria as Onlooker (uncredited)

Jerry Gregorio as Ball Boy (uncredited)

Jared Rojo Meyer as

Charli Hayden as