Yrjö Kostermaa was born on February 23, 1921 in Viipuri, Finland. He was an actor and director, known for
Herrojen Eeva (1954),
Silta yli elämän (1958) and
Miehen varjo (1960). He was married to
Eila Pehkonen. He died on September 16, 1997 in Helsinki, Finland.