TV Laverne Cox Cast as Transgender Lawyer in CBS Drama Project By Rosalyn Oshmyansky 5:06 PM PST, February 11, 2015 Getty Images Congrats are in order for Laverne Cox! The Orange Is the New Black actress will star in CBS legal drama pilot Doubt, The Hollywood Reporter reports. Cox will play Cameron Wirth, a successful defense attorney, who will fight for her clients and even get intimate with one them who may or may not be guilty of a crime. WATCH: Laverne Cox Strips Off Her Makeup in John Legend's 'You and I' The role was reportedly created for a transgender actress, and Cox will certainly rise to the occasion as the first transgender series regular character on TV.On Tuesday, she tweeted out a cryptic message voicing her gratefulness for the opportunities that are coming her way.I am so grateful for the universe's plan for me and the amazing people in my life who support me and that plan. Thank you so much— Laverne Cox (@Lavernecox) February 11, 2015While she'll be playing a serious role, check out Laverne when she's having fun singing karaoke with tennis star Serena Williams in the video below.