Walken, Christopher, 1943- (Autor Personal)

Hallmark hall of fame. Barefoot in Athens. George Schaefer's showcase theater. Barefoot in Athens [MP] 1983: credits (with Christopher Walken)

Halliwell's filmgoer's companion, 1985 (Christoper Walken; b. 1943)

West side story, 1964 DLC copy theater program, Shady Grove Music Fair performance (with Ronald Walken)

The naked city. Robin Hood and Clarence Darrow, they went out with the bow and arrow, 1963 (cast: Ronnie Walken)

Internet Movie Database, May 4, 2010 (Christopher Walken, b. Ronald Walken, 31 March 1943, Queens, New York; alternate names Chris Walken, Ronnie Walken, Christopher Wlaken)

Internet Movie Database WWW site, April 13, 2015: (Christopher Walken, actor, director ; b. Ronald Walken, March 31, 1943 in Queens, New York City, New York, USA)

Paul Mazursky's next stop, Greenwich Village, 2018: opening cast credits (Chris Walken) ending cast credits (Christopher Walken)