[1] Born in Bologna, Fantoni began his acting career in Luchino Visconti’s stage proses until making his first on-screen appearance in 1937.

He made his debut film appearance in Doctor Antonio.

Fantoni made light appearances later in his career as Don Ignazio in the films The Overtaxed and Letto a tre piazze.

[2] Fantoni was also a voice actor, dubbing foreign films for release in the Italian market.

[3] He dubbed the voices of Leo G. Carroll, Donald Crisp, Frank Faylen, Alan Napier, Thomas Gomez and many more.