Amendola was born in Recco, which is located in Genova to parents from Rome.

He began his career on stage in 1931 as a writer for avanspettacolo shows.

During that time, he wrote dialogue for Erminio Macario, Totò and more.

[1] Amendola collaborated with Bruno Corbucci on conceiving the Nico Giraldi film series starring Tomas Milian.

[2] Amendola died on December 12, 1993,[3] from complications from diabetes.