Throughout his illustrious career in the theater, which commenced in 1981, he has had the privilege of collaborating with esteemed professionals of the caliber of Sergio Castellitto, joined by Margaret Mazzantini, Sergio Rubini, Giorgio Albertazzi, Fiorenzo Fiorentini, Renzo Montagnani, and Ennio Fantastichini.
As a voice actor, he has brought to life numerous notable performances from European cinema, including those of Gérard Depardieu and Rüdiger Vogler in Lisbon Story by Wim Wenders, as well as American icons such as Harvey Keitel, James Caan, Billy Bob Thornton, Alfred Molina, Ben Kingsley, Dennis Hopper, Christopher Walken, and Willem Dafoe.
In addition, he has lent his voice to iconic actors such as Marlon Brando in Apocalypse Now Redux, Patrick Stewart in the X-Men franchise, and Hugo Weaving in The Matrix trilogy.
As an actor, he has appeared in various films, including Li chiamarono... briganti! by Pasquale Squitieri, Caruso; Hannibal directed by Ridley Scott, and Una storia italiana directed by Stefano Reali, where he played the role of the father of the Abbagnale brothers.
In television, Coltorti has provided voiceovers for notable characters, including Lance Henriksen as Frank Black in Millennium, Ron Rifkin as Arvin Sloane on Alias, and Ted Levine as Leland Stottlemeyer in Detective Monk.
Furthermore, he has acted in the drama Lui e lei and is the creator and director of the theatrical production Attori in cerca d'autore.