Kin was born on December 6, 1953 in New York. As a child Kin and his family lived all over the United States.
Kin is best known for playing the character of Scott Baldwin on General Hospital and Port Charles. Kin has also appeared on the soap operas Texas, The Bold and the Beautiful and The Young and the Restless.
Kin has a twin brother called Will.
Kin was nominated in 1998 for a Daytime Emmy Award for Outstanding Lead Actor.
In 1991 Kin won a Soap Opera Digest Award for Outstanding Villain. In 1999 he won a Soap Opera Digest Award for Outstanding Male Scene Stealer.
Kin can currently be seen on the soap opera As the World Turns as Keith Morrissey.