Stephen Kramer Glickman
Stephen Kramer Glickman (born March 17, 1979) is a Canadian born American actor and stand-up comedian.Stephen Kramer Glickman is starring as a main role named "Gustavo Rocque" on the Nickelodeon television series, Big Time Rush. In 2007, he was cast as Shrek in Shrek the Musical, and played the part in the original Broadway workshops and readings, before Brian d'Arcy James was cast in 2008. Description above from the Wikipedia article Stephen Kramer Glickman  licensed under CC-BY-SA, full list of contributors on Wikipedia.
Filmography
Workaholics
Big Time Rush
Carpoolers
The Really Loud House
Storks
The Price of Glee
30 Nights of Paranormal Activity With the Devil Inside the Girl With the Dragon Tattoo
Monster Hunter: Legends of the Guild
CarGo: The City on 4 Wheels!
Big Time Movie
Dying Laughing
No Image
Enormous
The 41–Year–Old Virgin Who Knocked Up Sarah Marshall and Felt Superbad About It
Love on a Leash
Pigeon Toady's Guide to Your New Baby
Jeffrey Ross: No Offense
Beware the Lake
Stephen Kramer Glickman: Voices In My Head