Screen Actors Guild Outstanding Performance By A Male Actor In A Supporting Role 2019 Screen Actors Guild Mahershala Ali Winner "Green Book" Interview Richard E. Grant "Can You Ever Forgive Me?" Interview Timothée Chalamet "Beautiful Boy" Adam Driver "BlacKkKlansman" Interview Sam Elliott "A Star Is Born" Interview 2018 Screen Actors Guild Sam Rockwell Winner "Three Billboards Outside Ebbing, Missouri" Interview Willem Dafoe "The Florida Project" Interview Video Steve Carell "Battle of the Sexes" Woody Harrelson "Three Billboards Outside Ebbing, Missouri" Richard Jenkins "The Shape of Water" Interview Video