Blue Light is a 1966 American espionage drama television series starring Robert Goulet and Christine Carère about the adventures of an American double agent in Nazi Germany during World War II. It aired from January 12 to May 18, 1966.

Robert Gérard Goulet was an American and Canadian singer and actor of French-Canadian ancestry. Goulet was born and raised in Lawrence, Massachusetts, until age 13, and then spent his formative years in Canada. Cast as Sir Lancelot and originating the role in the 1960 Broadway musical Camelot starring opposite established Broadway stars Richard Burton and Julie Andrews, he achieved instant recognition with his performance and interpretation of the song "If Ever I Would Leave You", which became his signature song. His debut in Camelot marked the beginning of a stage, screen, and recording career. A Grammy Award winner, his career spanned almost six decades. He starred in a 1966 television version of Brigadoon, a production which won five primetime Emmy Awards. In 1968, he won the Tony Award for Best Actor in a Musical for The Happy Time, a musical about a French-Canadian family set in Ottawa.