William 'Rosko' Mercer

Birthday: May 25, 1927 in New York City, New York, USA

Birth Name: William Roscoe Mercer

William 'Rosko' Mercer was born on May 25, 1927 in New York City, New York, USA as William Roscoe Mercer. He is an actor, known for 1, rue Sésame (1969). He was previously married

William 'Rosko' Mercer was born on May 25, 1927 in New York City, New York, USA as William Roscoe Mercer. He is an actor, known for 1, rue Sésame (1969). He was previously married to Joanna.