Stelios Kappatos was born in 1938 and grew up in Ilioupoli, Athens, originally from Dilinata, Kefalonia.

He was for a long time, a key and permanent member of the State Theater of Northern Greece.

His presence at the State Theater of Northern Greece was great, where he served from 1971 until his death, performing many classical roles in more than 40 plays.

In 1964 he made his first professional appearance in the theater with Elli Lambeti's troupe. More important, "Leoforeion o Pothos" (1965), "Nefeles" (1978) with Thymios Karakatsanis (Strepsiadis), and himself, in the role of Xanthia.

In 1980-1981 he starred with Dionysis Pagoulatos in the play, "O Aforesmenos" by Laskaratos. Also in the Tragedy "Helen", of the KTHBE directed by Andreas Voutsinas, where Stelios Kapatos played an Egyptian Messenger.

Stelios Kappatos died in Thessaloniki on November 3, 1987 at the age of only 49.