David St. Louis is an American actor, known for his portrayal of Michael in the CBS series Tommy, opposite Edie Falco. He later joined the cast of the Emmy Award-winning series Zoey’s Extraordinary Playlist in Season 2 as Perry Haskins and is currently a cast member of Bill Lawrence's new Apple TV+ series Bad Monkey. Other television credits include Roderick Watson in Bull, Agent Reynolds in NCIS: New Orleans, Jim Ruhde in FBI, and Robert Dubois (Bloodsport) in Supergirl.

A Lunt Fontaine fellow, St. Louis originated the role of Jay “The Sport” Jackson in the award-winning stage play The Royale at the Kirk Douglas Theatre in Los Angeles and received an Ovation Award for his portrayal of Jim Connelly in Parade at the Mark Taper Forum. Broadway credits include Sideshow, Harry Potter and the Cursed Child, Jesus Christ Superstar, Rent, and more.

Born in Washington DC, he received a BFA in Acting from Howard University and studied classical theater with The British Academy of Dramatic Arts in London.