Leon Mandel Details Cast On MovieCast On TV Name Leon Mandel Also Known As Birthday Gender Male IMDB Leon Mandel profile on IMDB Place of Birth As: Speaker #21998-12-07No-Brainers on Publi... As: Actor2000-09-26The Standard Deviant... As: Actor1998-10-20The Standard Deviant... As: Self1998-01-01The Standard Deviant... As: Giorgos2015-01-11Togetherness... As: Dmitri Sharonov2013-01-30The Americans... As: Serge2009-09-23Modern Family... As: Piano Presenter2016-09-20This Is Us... As: Hector2019-05-03Dead to Me...