John Ventimiglia is an actor and writer.
as Hunter S. Thompson(1 ep)
as Sipple
as John Sirica(2 eps)
as Javier
as Commissioner Milo
as David
as Self(2 eps)
as Tolly(1 ep)
as Tree
as Veebie
as Dormit(1 ep)
as Red Briles
as A Team Leader
as Lou Meshejian(1 ep)
as Detective Eddy Costa(14 eps)
as John
as Father Merrino
as Taxista
as Jack Marchiano
as Valenti
as Man #1
as Jackson
as General Humberto Delgado
as Harry Magarac(1 ep)
as Justin Malik(25 eps)
as Mickey Scicoli
as Shrink
as Drazen
as Christopher Zambrano(1 ep)
as Weinstein
as Dino Arbogast(16 eps)
as Burrelli(1 ep)
as Self(1 ep)
as Gary Prima(5 eps)
as Theo Horace / Horatio
as Hero Furillo
as John Constantin
as Justin
as Dr. George
as Gabe
as Nicky Singer
as Raymond Pelagi
as Narrator (voice)
as Ronald Hawk(1 ep)
as Hank Bartlowski at 33
as Dispatch Operator (as John Ventimiglia)
as Narrator (voice)
as Stanley Vespucci(1 ep)
as McInnes
as Bobby Navarro(1 ep)
as Johnny Graziosi
as Anton
as Louie Salazar
as Artie Bucco(37 eps)
as Newark Cab Driver
as Larry
as Alvin
as Tony the Pizza Guy
as Doug
as Man at Party
as Officer V
as Joey / Cop
as Det. Manning
as Eddie
as Johnny
as John Who Likes Lesbians
as Sali
as Andrew
as Tea Dance Bouncer
as Tough Guy
as Driver
as Terry 'Lullaby' Fairlane
as Waterfront Hood
as Angel
as Manuel(1 ep)
as Mr. Dibbens(2 eps)
as Gaydos(1 ep)
as Nick Capetti(1 ep)
as Officer Frank Dietrich(1 ep)
as Band Member #1 (uncredited)