He worked for two years at the Piccolo Teatro in Milan, then he became a stage actor.

He was internationally renowned for performing the Italian voice of Lieutenant Colombo (portrayed by Peter Falk) in the last two seasons of Columbo since the death of Giampiero Albertini in 1991.

He also voiced Prince John in the Italian-Language version of the 1973 animated film Robin Hood.

After finishing his voice work on Colombo, Guidi retired in 2004, effectively ending his career.

[3] Media related to Antonio Guidi (actor) at Wikimedia Commons