<P> Hart was eventually offered the opportunity to replace Clayton Moore on The Lone Ranger television series . Based on the assumption that the masked character, rather than the actor, was the true star of The Lone Ranger, the program's producers fired Moore (presumably over salary differences) and replaced him with Hart, who was of a similar build and had a comparable background in Westerns . However, the public never truly accepted Hart as the Lone Ranger, and by 1954 the producers returned Moore to the role . According to Clayton Moore's autobiography I Was That Masked Man, Moore never knew why he was replaced by Hart, and also stated that he had not sought a pay increase . Hart acted in minor roles in two episodes of The Lone Ranger before being asked to replace Clayton Moore for the entire third season . The episodes were "Rifles and Renegades" (#34) and "Sheriff at Gunstock" (#46). </P> <P> Hart continued to act in films for more than two decades, appearing in films of several genres, almost always in supporting roles . Hart appeared twice in on the TV series I Love Lucy as Lucy's old boyfriend and again in the Hollywood episodes as a lifeguard at the hotel pool . In 1955, Hart starred in The Adventures of Captain Africa, which was originally intended to be a new movie about famous comic book hero The Phantom . However, licensing issues forced Columbia Pictures re-film the entire serial and re-christen the hero "Captain Africa ." Hart also had numerous supporting roles in the Highway Patrol TV series . In 1957, Hart portrayed Nat "Hawkeye" Cutler in the syndicated western series Hawkeye and the Last of the Mohicans, . The one - season program was based loosely on the novels of James Fenimore Cooper . It was filmed in Canada and featured some Indians in a favorable image . Interviewed by Tom Weaver in "Western Clippings" magazine (May--June 2000), Hart revealed that he met actress Beryl Braithwaite when she played a role in an episode of the series; they married just days later, with "Hawkeye" co-star Lon Chaney, Jr., the best man at the wedding . </P> <P> In 1965 Hart made two brief appearances on the TV series Perry Mason, including the role of title character and murder victim Jamison Selff in "The Case of the Wrathful Wraith ." In the 1970 film The Phynx, Hart played the Lone Ranger alongside Jay Silverheels as Tonto, spoofing their characters . Hart's last theatrical film appearance was in 1981's The Legend of the Lone Ranger in which he appeared as a newspaper editor . He appeared in the television series Happy Days as the Lone Ranger in the episode "Hi Yo, Fonzie Away" (February 9, 1982). In this episode Fonzie, played by Henry Winkler gets to meet his childhood hero, the Lone Ranger, for his birthday . Hart's other major late appearance was in an episode of The Greatest American Hero, My Heroes Have Always Been Cowboys, where Hart gives the title character an inspiring speech about heroism . </P> <P> Born in Los Angeles, Hart's mother was named Enid and he had a sister; Shari . Hart attended South Pasadena High School and later studied acting at the Pasadena Playhouse . On September 20, 2009, Hart died from complications of dementia at his home in Playas de Rosarito, Baja California, Mexico at the age of 91, survived by his wife Beryl, a son, Buddy, and a daughter, Robyn . His ashes were scattered into the Pacific Ocean . </P>

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