He was born in Sibiu in 1931 and graduated the city's Theater and Music Academy.

After making his debut in 1957, he played for 16 years at the Radu Stanca National Theatre in Sibiu.

[1] Besoiu appeared in some of the most important Romanian films from the Communist period:[2] "Furtuna", "Neamul Șoimăreștilor", "Haiducii", "Răscoala", "Mihai Viteazul", "Ciprian Porumbescu", "Păcală", "Blestemul pământului, blestemul iubirii", "Ultima noapte de dragoste", "Lumini și umbre", "Ce neagră e mama", and "Toate pânzele sus!".

He died at Fundeni Hospital in Bucharest in 2017;[3] he is buried at the city's Bellu Cemetery.

He was also chosen by Disney to provide the Romanian voice of a character in the animated series – Darwing Duck.