 He wrote the theme music for the spy adventure directed by Robert Lansing called "The Man Who Never Was" (1966–67), and wrote "The White Mountain" introductory music for the science fiction episode of "" – "Mission of the Darians" in 1975.Frank Cordell composed over twenty music scores including "The Voice of Merrill" (1952), "First on the Road" (1959), "The Rebel" (1961) starring Tony Hancock, "The Bargee" (1964), "Never Put It in Writing" (1964), "Khartoum" (1966), "Mosquito Squadron" (1969), "Ring of Bright Water" (1969), "Hell Boats" (1970), "Cromwell" (1970), "Trial by Combat" (1976), and "God Told Me To" (US