Rogue One animators on that character: ‘Realism had to trump likeness’

SPOILERS FOR ROGUE ONE FOLLOW
Rogue One, the recently released Star Wars prequel, has tons of ties to the original films in the form of returning characters. Some, such as Mon Mothma or General Dodonn, were simply replaced by lookalikes. Others — like the brief cameos from Bail Organa or C-3P0 — simply featured the original actors, or in the case of Red and Gold Leaders, used archival footage cut from A New Hope. But the digital appearances in the film by Peter Cushing's Grand Moff T