Brown appeared in dozens of other television shows and did several crossovers with other western series as Johnny McKay, including "Maverick", in the 1961 episode "Hadley's Hunters," featuring Jack Kelly as Bart Maverick, along with a host of characters from other Warner Brothers. westerns, including "Cheyenne" (Clint Walker), "Bronco" (Ty Hardin), and "Sugarfoot" (Will Hutchins). In 1957 Brown appeared as Clay Conover in "Cheyenne" in the episode titled "Top Hand." In 1958 he appeared as Billy Younger in "Cheyenne" in the episode titled "Ghost of the Cimarron."