In 1980, Matthew got married to Kathleen Dezina for the first time in his life. Kathleen Dezina is also an actress and she was his All My Children co-star. This married life lasted for short period of time and they got divorced.
On 15th of October 1983, Matthew got married to Christine Baranski. Christine Baranski is also an actress mainly known for her appearance in the stage shows and plays. As a married couple, they welcomed two children together. His nationality was American and he was of white ethnicity.
Matthew was active as an actor since the mid 1960s. In 1966, he appeared in the Broadway Malcolm at the Shubert Theatre. He played the lead role in this Broadway show. Two years later he was seen at the Astor Place Theatre appearing in the play The Indian Wants the Bronx. In 1969, he made his feature film debut by starring the role of Harvey Belman in an American comedy-drama film Me, Natalie. He is well acclaimed for starring the role of Billy Clyde Tuggle in an American television soap opera All My Children. His net worth was $10 Million.
In the early 2014, Matthew suffered a massive illness. He was take care by his lovely wife and his daughters. He took his last breathe on 22nd of May 2014 and the reason of his death was congestive heart failure. His funeral was held at the end of May.