Lionel Jeffries, a talented actor, was characterized by his distinctive physical appearance, boasting a bald head, a firm jawline, and a bristling moustache, which belied his refined training at the Royal Academy of Dramatic Art (RADA). Prior to embarking on his acting career, Jeffries served in the military during World War II. Following his military service, he went on to play a wide range of significant roles in the 1960s, showcasing his versatility as an actor. Some of his most notable performances include Grandpa Potts in the beloved musical film Chitty Chitty Bang Bang (1968) and the Marquis of Queensberry in the biographical drama The Trials of Oscar Wilde (1960).
In addition to his successful acting career, Jeffries also ventured into direction, albeit briefly, and helmed two highly popular family films, The Railway Children (1970) and The Amazing Mr. Blunden (1972),which have since become beloved classics.