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In page Darlene Gillespie:

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After The Mickey Mouse Club stopped filming in 1959, and her contract with Disney was not renewed, Gillespie's acting career, which was rumored to have been sabotaged at Disney by Gillespie and her father,[citation needed] neared its end. Her last television appearance was as Beth Brian in the 1962 episode "The Star" of the NBC family drama series National Velvet starring Lori Martin as a budding thoroughbred rider.