Who the hell is dropping all these middling reviews for Illegal? This is a riveting lawyers & courtrooms drama, driven by a fantastic performance by Edward Robinson. Both the personal story and the professional/legal/crime plot is of interest. You can't take your eyes and ears off Robinson.
Just like in Double Indemnity, wherein Robinson gives the audience insights into the insurance business, in Illegal, it's almost pleasure enough just seeing him work a legal case and explain all the angles. On top of that he brings a multidimensional character to full life as we see him wrestle with personal, professional, and moral dilemmas, along with squirming through the machinations of a mob boss.
Highly recommend if you are a fan of classic films. The style plays a bit more like something from the late 40s, as Illegal features no method acting or any modern filmmaking techniques, but that certainly didn't bother me at all.