In 1965 he recorded a single, with the help from the german composer Martin Boettcher (published by DECCA 1965). The songs are: "Maedchen in Samt und Seide" ("Girl in silk and velvet") and "Ich bin morgen auf dem Weg zu dir (I`ll be on the way to you tomorrow") Both songs are in german. Later he recorded two songs more. But that songs are not published as he wished.

He loved horses and dogs.

A member of an extremely prominent family in New York society, Barker was effectively disowned by his family upon his decision to become an actor.

Father of Christopher Barker, from his marriage to Irene Labhart

His fifth wife, Carmen G. Cervera, is a former Miss Spain.