It's been a while since I've seen it, Turi, but I believe Turnbull is on the money. It was overly "Hollywooded" in parts, but Steiger is undoubtedly top notch...and, yeah, the best Capone I've ever seen.

"Vaya con Dios, Castle. Go with God."
"God's going to sit this one out." The Punisher (2004)