Coming off a key recurring role on The Americans, Laurie Holden is set for the another major recurring part opposite Kelsey Grammer on Fox's new legal drama series Proven Innocent, from Empire co-creator Danny Strong and writer David Elliott. Written by Elliott, Proven Innocent follows a criminal defense firm led by Madeline Scott (Rachelle Lefevre), a fierce and uncompromising lawyer with a hunger for justice. Holden will play Greta Bellows, the wife of Gore Bellows…