After his retirement in the early 1990s, it was reported that he became a credit officer for a Canadian Investment bank.
Best known to a certain generation in the UK as the face of a famous 1970s "Public Information Film", in which he urges car drivers to be more aware of motorbikes. "Think once... think twice... think BIKE!!!".
Born in Shanghai, he and his English father and Russian mother fled when the Japanese attacked China five years later. They moved to Britain, where he studied at the newly opened Bolton's Theatre Club in Kensington, west London.
He's a best friend of Michael Caine. The two first met while shooting an Army recruitment documentary at the Clubland youth club in South England.
Judd's first wife, actress Gene Anderson, who appeared with him in a couple of films, including The Day the Earth Caught Fire (1961), died at age 34 of a brain hemorrhage. His second wife, actress Norma Ronald bore him two daughters, one of them named Deborah. His second wife died in 1993.
Performed in repertory in Windsor and Nottingham in the early years. Later on the West End stage, he appeared in "The Long and the Short and the Tall" with an up-and-coming Peter O'Toole and returned there in 1973 for a role in the Tennessee Williams play "Small Craft Warnings" co-starring Elaine Stritch.
Reclusive in later years, it was believed at one point that he had died in Wimbledon in July 2004, homeless and in frail health due to his heavy drinking. The fact, at least about him being homeless, was proved incorrect. Apparently, he lived at a retirement home in Mitcham in his final years.