Question: Spanish Fly was a film that had a cast including the operatic actor who received what honor in 1993?

Context paragraphs:
The Spanish Fly (1931 film): The Spanish Fly (German: Die spanische Fliege) is a 1931 German comedy film directed by Georg Jacoby and starring  Betty Bird, Lizzi Waldmüller and Fritz Schulz.  It was based on the 1913 play "The Spanish Fly" by Franz Arnold and Ernst Bach.  The film was remade in 1955.

Franz Arnold: Franz Arnold (1878–1960) was a German actor and playwright.  He frequently collaborated with Ernst Bach after their debut play "The Spanish Fly" was a hit.  He emigrated to Britain in 1933.

Spanish Fly (1975 film): Spanish Fly is a 1975 British-Spanish comedy film directed by Bob Kellett and starring Terry-Thomas, Leslie Phillips, Graham Armitage, Sue Lloyd and Nadiuska.  An impotent British fashion designer heads out to Spain for a photo shoot and encounters an old school rival who has inadvertently added an aphrodisiac to the local wine.

Robert Merrill: Robert Merrill (June 4, 1917 – October 23, 2004) was an American operatic baritone and actor, who was also active in the musical theatre circuit.  He received the National Medal of Arts in 1993.

Rakkayi Koyil: Rakkayi Koyil is a 1993 Tamil village drama film directed by Manivasagam.  The film features Selva and Kasthuri in lead roles with an ensemble supporting cast including Manorama, Goundamani, Senthil,The film, produced by Rajeswari Manivasagam and P.S. Mani, had musical score by Ilaiyaraaja and was released on 5 February 1993.

Spanish Fly (2003 film): Spanish Fly is an American film about the use of an aphrodisiac in a Los Angeles night club, released in 2003.  The director, Will Wallace, won the Festival Prize for Best Comedy Feature at the Deep Ellum Film Festival in 2002.  Cast included David Shackelford, Will Wallace, Judy Geeson, Anthony Crivello, Adam Russell Stuart, Carlos Alazraqui, Robert Merrill, Joe Estevez, Katrina Holden Bronson, Tom J. Jones, Ruben Pla, Tess Hunt, Larry Romano, Dana Lee, Jonathan Abrahams, and Eric Martsolf.

It's True! It's True!: It's True!  It's True!  (1969) is the ninth comedy album by Bill Cosby.  It was his last for Warner Bros.  Records.  It was recorded live at Harrah's, Lake Tahoe, Nevada.  Due to a musician's strike, Cosby got extra stage time at Harrah's, much of which was captured on this album.  It features Cosby performing stand-up comedy on topics including women, helicopters, ants, burlesque, gambling, the toxic drug Spanish fly, and pontificating about sovereign states outside the United States.  The album was released in 1969, and reached the 21st spot on the R&B Albums chart, and was 37th on The Billboard 200 the same year.  It was subsequently released in compact disc format in 2005, again in 2008, and in digital format in 2013.

The Spanish Fly (1955 film): The Spanish Fly (German: Die spanische Fliege) is a 1955 West German comedy film directed by  Carl Boese and starring Joe Stöckel, Erika von Thellmann and Rudolf Platte.  It was based on the 1913 play "The Spanish Fly" by Franz Arnold and Ernst Bach.  A previous adaptation had been released in 1931.

Ernst Bach: Ernst Bach (1876-1929) was a German actor and playwright.  He became known for his collaborations with Franz Arnold with whom he co-authored the hit play "The Spanish Fly" in 1913.  They went on to become one of the leading playwriting teams in Weimar Germany.

Will Wallace: Will Wallace is an American film director and actor.  He directed "Spanish Fly" and "".

Supporting paragraphs: Spanish Fly (2003 film) Robert Merrill
Answer: National Medal of Arts