[1] The son of a stage actor, Almirante was born in Tunis, where the theatrical company of his father was touring at the time.
[2] Active in humorous roles since 1907, Almirante had his acting breakthrough in 1909 with the "Grand Guignol" stage company directed by Alfredo Sainati [it].
During the World War I, he served at the Soldier's Theatre in Udine, under Renato Simoni.
Starting from 1932, he gradually focused in films, even if mainly cast in supporting and character roles.
He was also active as a teacher at the Accademia d'Arte Drammatica, a voice actor and a dubber.