Onni Gideon was born on April 7, 1921 in Balashov, Saratov Governorate, Russian SFSR as Onni Gideon Tervonen. He was an actor, known for Tanssitaanpa ladossa (1967), Tupaantuliaiset (1963) and Delegaatio (1982). He died on July 25, 1994 in Helsinki, Finland.