Best-known for playing the role of Dr. Joe Early on the hit 1970s TV series, "Emergency!" and was also a jazz pianist and songwriter.
He was also known as the author of "(Get Your Kicks On) Route 66," which became a standard.
He was married to his Emergency! co-star, Julie London, until his death.
He appeared in the classic 1970 film, "M*A*S*H," directed by Robert Altman.