Question: What actor had roles in both "Willie Wonka & the Chocolate Factory" and science fiction horror film "Dead & Buried"?

Context paragraphs:
Roald Dahl's Willy Wonka (musical): Roald Dahl's Willy Wonka is a musical that combines elements of both Roald Dahl's book "Charlie and the Chocolate Factory" and of the 1971 movie "Willy Wonka & the Chocolate Factory" with newly created material.  The musical has several versions: the original version which premiered in 2004, the Junior version, the Kids version, and the Theatre for Young Audiences version.  All are owned by Music Theatre International, the company that owns the Willy Wonka license.

George Claydon: George Claydon (4 September 1933 – 4 October 2001) was a British actor notable for his dwarfism.  His television roles included that of Photographer George in The Beatles' "Magical Mystery Tour", a television film that initially aired on BBC1 on Boxing Day 1967, Ginaarbrik in the 1967 ITV adaptation of "The Lion, the Witch and the Wardrobe" (1967) (which he followed by playing Nikabrik many years later in the 1989 BBC adaptation of "Prince Caspian"), and the miniseries "The Last Days of Pompeii" (1984).  His film appearances included the Joan Crawford horror film "Berserk! " (1967), as an Oompa Loompa in "Willy Wonka & the Chocolate Factory" (1971), and as Hercules in "I Don't Want to Be Born" (1975).  He was "World Cup Willie", the official mascot of the England Football Team in 1966.

Jack Albertson: Jack Albertson (June 16, 1907 – November 25, 1981) was an American actor, comedian, dancer and singer who also performed in vaudeville.  Albertson is known for his role as John Cleary in "The Subject Was Roses" (1968), for which he received an Academy Award for Best Supporting Actor; Grandpa Joe in "Willy Wonka & the Chocolate Factory" (1971); Manny Rosen in "The Poseidon Adventure" (1972); and Ed Brown in the television sitcom "Chico and the Man" (1974–78).  For his contributions to the television industry, Albertson was honored with a star on the Hollywood Walk of Fame at 6253 Hollywood Boulevard.

The Willy Wonka Candy Company: The Willy Wonka Candy Company is a British brand of confectionery owned and licensed by Swiss corporation Nestlé.  The Wonka brand's inception comes from materials licensed from British author Roald Dahl.  His classic children's novel, "Charlie and the Chocolate Factory", and its film adaptations are the source of both the packaging and the marketing styles of the Wonka brand.  The brand was launched in 1971, coinciding with the release of the novel's first film adaptation.  In 1988 the Willy Wonka Candy Company brand – then owned by Sunmark Corporation – was acquired by Nestlé.  Nestlé sells sweets and chocolate under the Willy Wonka brand name in the United States, Canada, the United Kingdom, the Republic of Ireland, Australia, New Zealand, Japan, South Africa, Mexico, Colombia, Brazil, Argentina, Costa Rica, Panama, Dominican Republic and the Middle East.  In mid-2015 the Willy Wonka brand name was dropped by Nestlé, in favour of special "throwback" packaging.  Candies previously made by the Willy Wonka brand are now under the Nestlé brand naming, excluding the Wonka brand name on the top left corner.

The Candy Man: "The Candy Man" (or alternatively, "The Candy Man Can") is a song which originally appeared in the 1971 film "Willy Wonka & the Chocolate Factory".  It was written by Leslie Bricusse and Anthony Newley specifically for the film.  Although the original book by Roald Dahl ("Charlie and the Chocolate Factory") contains lyrics adapted for other songs in the film, the lyrics to "The Candy Man" do not appear in the book.  The soundtrack version of the song was sung by Aubrey Woods, who played Bill the candy store owner in the film.

Pure Imagination: "Pure Imagination" is a song from the 1971 movie "Willy Wonka & the Chocolate Factory".  It was written by British composers Leslie Bricusse and Anthony Newley specifically for the movie.  It was sung by Gene Wilder (Willy Wonka).  The intro of the song, which also is the musical code for entering the Chocolate Room played by Willy Wonka, is the introduction of Wolfgang Amadeus Mozart's "Marriage of Figaro".

Charlie and the Chocolate Factory (film): Charlie and the Chocolate Factory is a 2005 musical fantasy film directed by Tim Burton and written by John August, based on the 1964 British novel of the same name by Roald Dahl.  The film stars Johnny Depp as Willy Wonka and Freddie Highmore as Charlie Bucket.  The storyline follows Charlie, who wins a contest and is along with four other contest winners, subsequently led by Wonka on a tour of his chocolate factory, the most magnificent in the world.

Dead &amp; Buried: Dead & Buried is a 1981 science fiction horror film directed by Gary Sherman, starring Melody Anderson, Jack Albertson, and James Farentino.  The film focuses on a small town wherein a few tourists are murdered, but their corpses begin to reanimate.  With a screenplay written by Dan O'Bannon and Ronald Shusett, the movie was initially banned as a "video nasty" in the UK in the early 1980s, but was later acquitted of obscenity charges and removed from the Director of Public Prosecutions' list.

Wonka Bar: The Wonka Bar is both a fictional candy bar, introduced as a key story point in the 1964 novel "Charlie and the Chocolate Factory" by Roald Dahl, and a type of consumer product candy bar inspired by the fictional confection.  Wonka Bars appear in both film adaptations of the novel, "Willy Wonka & the Chocolate Factory" (1971) and "Charlie and the Chocolate Factory" (2005), and the play "Charlie and the Chocolate Factory the Musical" (2013) each with different packaging.

Willy Wonka &amp; the Chocolate Factory: Willy Wonka & the Chocolate Factory is a 1971 American musical fantasy film directed by Mel Stuart, and starring Gene Wilder as Willy Wonka.  It is an adaptation of the 1964 novel "Charlie and the Chocolate Factory" by Roald Dahl.  Dahl was credited with writing the film's screenplay; however, David Seltzer, who went uncredited in the film, was brought in to re-work Dahl's screenplay against his wishes, making major changes to the ending and adding musical numbers.  These changes and other decisions made by the director led Dahl to disown the film.

Supporting paragraphs: Dead &amp; Buried Jack Albertson
Answer: Jack Albertson