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Frank started his career as a sales executive for Paramount Pictures, subsequently moving on to Guild Films, and NBC television. Later, he was Senior Vice President of Worldwide Sales with the television division of the Wrather Corporation, which produced and distributed the Lassie and Lone Ranger TV programs.
In 1964, he opened his first company, Sandy Frank Program Sales Inc., and his first distribution successes were You Asked For It and Lassie (which he had acquired the rights for from the Wrather Corp.).