<Li> The New Dick Van Dyke Show (Television series, 1973) as Eddie </Li> <Li> Busting Loose (Television series, 1977) </Li> <Li> National Lampoon's Vacation (1983) as Roy Walley </Li> <Li> Tales from the Darkside (Television series, 1984)' A Case of the Stubborns' as Grandpa </Li>

Who played roy walley in national lampoon's vacation
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