Marc Fiorini (born Maurizio Marco Fiorini, March 15, 1941, Rome, Italy) is an Italian-born Canadian actor and writer who relocated to Quebec with his mother after World War II to join his grandparents. At age 16 he initially studied physics and aeronautical engineering before shifting to acting, training at the National Theatre School of Canada in Montreal. He has been active since 1964, is multilingual in English, French, and Italian, and was previously married to Lisa Seagram (1971–1980). He is best known for playing Cardinal Baggia in Ron Howard's Angels & Demons (2009) and M. Chabert in Silk (2007). His notable film credits include Tentacles (1977) (Barbara Steele, Joe Dallesandro), El Puro (1969) (Fabio Testi, Franco Nero), American Ninja 5 (1993) (David Bradley, John Saxon), Red Riding Hood (2003) (Julia Stiles, Gary Oldman), Silk (2007) (Michael Pitt, Michelle Williams), Angels & Demons (2009) (Tom Hanks, Ayelet Zurer), Coco Chanel (2008) (Anne Hathaway, Liam Neeson), The Broken Key (2017) (Rupert Everett, Charlotte Le Bon), Creators: The Past (2020) (William Shatner, Gérard Depardieu), American Night (2021) (Jonathan Rhys Meyers, Emile Hirsch), I Believe in One Only Father (2021) (Massimo Bonetti, Luca Guardabascio), and The Divine – Anemos (2025) (Vincent Riotta, Giorgia Wurth). On television he appeared in Big Wolf on Campus (1999–2002), Pope John Paul II (2005), and Capri (2008).
