John Mariano was born on August 5, 1960 in Astoria, New York, USA. He is an actor.
as Giorgio(1 ep)
as CIA Agent (Voice)
as Pierott (voice)
as Ed (O.C.) (voice)(1 ep)
as Master of Ceremonies
as Anthony Spirachio(1 ep)
as Gino(1 ep)
as Self(1 ep)
as Gene(1 ep)
as Jack
as Envelope (voice)(1 ep)
as Richard Feynman (voice)(1 ep)
as Murray
as Ice Cream Vendor (voice)
as (Additional Voices)
as Leonardo DaVinci (voice)(1 ep)
as Task Force Lieutenant
as Dirtboss (voice)(1 ep)
as District Attorney
as Additional Voices (voice)
as Carlo
as Johnny(2 eps)
as Keyes(1 ep)
as Derrick Lamberg (uncredited)(1 ep)
as Oliver Preston(2 eps)
as Number 1 (voice)(1 ep)
as Martin Scorsese (voice)(1 ep)
as Additional Voices (voice)
as Davey Penrod(1 ep)
as Joey Marks (voice)(1 ep)
as Bobby / Gas Station Attendant (voice)
as Twitch (voice)
as Bertram(1 ep)
as Roberto
as Driver (voice)(1 ep)
as Ralph Giorgio(1 ep)
as Arthur
as Chris(5 eps)
as Man (uncredited)(1 ep)
as Vincenzo (voice)(1 ep)
as Zamboni Jones / Banana Guy / Shady Guy (voice)(1 ep)
as Vic / Morrie (voice)(2 eps)
as Agent #3 (voice)(1 ep)
as Short Order Cook (voice)(1 ep)
as Armand Miller(1 ep)
as Enrico Amati(1 ep)
as Maitre D'(1 ep)
as Johnny(11 eps)
as Robert (voice)(1 ep)
as Commandant (voice)(1 ep)
as Stanislovsky (voice)(2 eps)
as Bobby (voice)(1 ep)
as Leonard Apfenbach(1 ep)
as Sewer Czar (voice)(1 ep)
as Bobby (voice)(275 eps)
as Tom(1 ep)
as Additional Voices (voice)(1 ep)
as (voice)(1 ep)
as Wally Gator (voice)(50 eps)
as Pepe / Paolo (voice)(1 ep)
as Tommy Miranda(1 ep)
as Ring Announcer(2 eps)
as Pete(1 ep)
as Teller #2
as Chet(1 ep)
as Eddie Leeds(1 ep)
as Travis Gerkin(3 eps)