A graduate of UCLA's School of Theater, Film, and Television, Sanchez was born in Los Angeles to Cuban immigrants and raised in Palm Desert, California. In 1991 he co-founded Buffalo Nights Theater Company which consistently produced vibrant theater in Los Angeles for over 15 years. In addition to his recurring appearances on CBS's top rated NCIS, Criminal Minds, and Get Shorty, his television work includes Series Regular roles on Steven Spielberg's SeaQuest DSV, and Walker, Texas Ranger, as well as numerous Guest Star appearances on shows such as Training Day, Lucifer and MacGyver, His film performances include The Rookie (with Dennis Quaid), The Last Debate (directed by John Badham), and the J.J. Abrams directed: Super 8 and Star Trek 2: Into Darkness. Marco currently resides in Los Angeles with his wife, and daughter.