|This article needs additional citations for verification. (August 2016) (Learn how and when to remove this template message)|
He became a professional boxer after World War II. Film director Stanley Kubrick's first film, Day of the Fight (1951), featured Cartier and his twin brother, Vincent. After this, Walter Cartier tried his hand at acting in other films such as Somebody Up There Likes Me (1956) and television.
Today, he is best known for his role in the classic United States sitcom The Phil Silvers Show, appearing as the mild-mannered Private Claude Dillingham. One memorable episode was written around Cartier and his boxing skills.
His ancestry was Irish, his grandfather having changed the family name from McCarthy, initially to Carter, and later to Cartier.