Richard Whorf (June 4, 1906 – December 14, 1966) was an American actor, author, director, and designer.
Champagne for Caesar is a 1950 American comedy film about a television quiz show, directed by Richard Whorf and written by Fred Brady and Hans Jacoby.
 The movie stars Ronald Colman, Celeste Holm, Vincent Price, Barbara Britton and Art Linkletter.
 The film was produced by Harry M. Popkin for his Cardinal Pictures and released by United Artists.
The Sailor Takes a Wife is a 1945 American romantic comedy film directed by Richard Whorf and starring Robert Walker and June Allyson.
Robert Moore (February 1, 1927 – May 10, 1984) was an American stage, film and television director and actor.
Blonde Fever is a 1944 comedy film directed by Richard Whorf.
 It is also known as Autumn Fever.
 It marked Gloria Grahame's film debut.
Love from a Stranger is a 1947 American film directed by Richard Whorf and starring John Hodiak and Sylvia Sidney.
 The film is also known as A Stranger Walked In in the United Kingdom.
Yankee Doodle Dandy is a 1942 American biographical musical film about George M. Cohan, known as "The Man Who Owned Broadway".
 It stars James Cagney, Joan Leslie, Walter Huston, and Richard Whorf, and features Irene Manning, George Tobias, Rosemary DeCamp, Jeanne Cagney, and Vera Lewis.
 Joan Leslie's singing voice was partially dubbed by Sally Sweetland.
The Groom Wore Spurs is a 1951 American comedy film directed by Richard Whorf starring Ginger Rogers and Jack Carson.
Blues in the Night is a 1941 American musical in the film noir style released by Warner Brothers, directed by Anatole Litvak and starring Priscilla Lane, Richard Whorf, Betty Field, Lloyd Nolan, Elia Kazan, and Jack Carson.
 The project began filming with the working title "Hot Nocturne", but was eventually named after its principal musical number "Blues in the Night", which became a popular hit.
 The film was nominated for a Best Song Oscar for "Blues in the Night" (Music by Harold Arlen; lyrics by Johnny Mercer).
Tate is an American Western television series starring David McLean that aired on NBC from June 8 until September 14, 1960.
 It was created by Harry Julian Fink, who wrote most of the scripts, and produced by Perry Como's Roncom Video Films, Inc., as a summer replacement for "The Perry Como Show".
 Richard Whorf guest starred once on the series and directed the majority of the episodes.
 Ida Lupino directed one segment.

Question: Which American director was also a designer, Richard Whorf or Robert Moore?
Answer: Richard Whorf