[2] (A news story in the June 12, 1949, issue of the Brooklyn Daily Eagle calls the information in the preceding sentence into question.

Despite his growing involvement acting in motion pictures and later in television productions, Westerfield maintained an active interest in the theatre for the remainder of his career.

He directed more than 50 musicals in a summer-musical tent he owned in Danbury, Connecticut, and was the original stage director and producer for the Greek Theatre in Los Angeles.

[4] On film, Westerfield had roles in The Magnificent Ambersons (1942), On the Waterfront (1954), Lucy Gallant (1955), the 1957 Budd Boetticher-directed Western Decision at Sundown starring Randolph Scott, Cowboy (1958), a repeating role in The Shaggy Dog, The Absent-Minded Professor (1961) and its sequel Son of Flubber (1963), Birdman of Alcatraz (1962), Man's Favorite Sport (1964), The Sons of Katie Elder (1965), Hang 'Em High (1968), and True Grit (1969).

Some other examples of Westerfield's work on television include performances on series such as The Rifleman, The Californians, Richard Diamond, Private Detective, The Alaskans, The Rebel, Straightaway, Going My Way, The Asphalt Jungle, Hazel, The Twilight Zone, The Big Valley, The Andy Griffith Show, Daniel Boone, The Beverly Hillbillies, two episodes of Maverick, and four episodes of Gunsmoke.