Question: What role did a star in the 1982 movie Fighting Back play in "The Cosby Show?"

Context paragraphs:
Varnette Honeywood: Varnette Patricia Honeywood (December 27, 1950 – September 12, 2010) was an American painter, writer, and businesswoman whose paintings and collages depicting African-American life hung on walls in interior settings for "The Cosby Show" after Camille and Bill Cosby had seen her art and started collecting some of her works.  Her paintings also appeared on television on the "Cosby Show" spin-off "A Different World", as well as on the TV series "Amen" and "227".

Stu Gardner: Stuart Gardner is an American musician and composer.  He is known for his collaborations with Bill Cosby, and for co-writing "Kiss Me", the theme song of Cosby's sitcom "The Cosby Show".

Fighting Back (1982 American film): Fighting Back (UK title: Death Vengeance) is a 1982 action crime–drama film written by Thomas Hedley Jr & David Zelag Goodman and directed by Lewis Teague.  The film stars Tom Skerritt, Patti LuPone, Michael Sarrazin, Yaphet Kotto, David Rasche, Lewis Van Bergen, Earle Hyman, and Ted Ross.

Cosby: Cosby is an American sitcom television series broadcast on CBS from September 16, 1996, until April 28, 2000.  The program starred Bill Cosby and Phylicia Rashad, who had previously worked together in the 1984–1992 NBC sitcom "The Cosby Show".  Madeline Kahn portrayed their neighbor, Pauline, until her death in 1999.  The series is loosely based on the British sitcom "One Foot in the Grave" airing on BBC from 1990 until 2001.

Charlie &amp; Co.: Charlie & Co. (also known as Charlie & Company) is an American sitcom that originally aired on CBS from September 18, 1985, to May 16, 1986.  Created by Allan Katz, the series stars Flip Wilson and Gladys Knight.  "Charlie & Co." is regarded as CBS's answer to "The Cosby Show", which was a ratings success for NBC at the time.  Unlike "The Cosby Show", which ran for eight seasons, "Charlie & Co." lasted for only one.

Hikky Burr: theme song for "The Bill Cosby Show", and was also released as a well-known single in 1969.  It was written and performed by Quincy Jones and Bill Cosby.  It is known for its nonsense lyrics.  It is on the album "Smackwater Jack".  "Hikky Burr" was featured on the album "The Original Jam Sessions 1969", and on "The Best of Bill Cosby".

Earle Hyman: Earle Hyman (born October 11, 1926) is an American stage, television, and film actor.  Hyman is known for his role on "ThunderCats" as the voice of Panthro and various other characters.  He also appeared on "The Cosby Show" as Cliff's father, Russell Huxtable.

Clair Huxtable: Clair Olivia Huxtable (née Hanks) is a fictional character who appears in the American sitcom "The Cosby Show".  Portrayed by actress Phylicia Rashad, Clair, the wife of Dr. Cliff Huxtable and mother of their five children, is the matriarch of the show's central Huxtable family.  Working as a lawyer, Clair values the importance of maintaining a successful career while running a strong household.  The character debuted alongside her family in "The Cosby Show"'s pilot, "Theo's Economic Lesson", which premiered on September 20, 1984.

Spaceman Patterson: William "Spaceman" Patterson is a composer, arranger, producer, music director, director and entrepreneur who has collaborated with Miles Davis and James Brown.  He was one of the musicians in Davis' line-up in the 1980s.  He also produced Melvin Van Peebles album Ghetto Gothic.  In 1992, Patterson provided music for Ntozake Shange's "The Love Space Demands", an adaptation of some of her poetry.  In 2003, he was musical director for the play Dream on Monkey Mountain presented at the Harlem School of the Arts.  In 2010, Patterson, long-time collaborator of Bill Cosby who worked on "The Cosby Show", assembled Cosby's album "The Cosnarati: State Of Emergency".  Patterson told the Associated Press that when Cosby contacted him about making the album, "People started speculating, is he going to rap about Jell-O Pudding Pops or what?"

The Cosby Mysteries: The Cosby Mysteries is an American television mystery series that starred Bill Cosby.  It is the first television series to star Cosby since "The Cosby Show" (which ended in the spring of 1992) and lasted one season (1994–1995).  Actor/Rapper Mos Def appeared in several episodes (credited as Dante Bezé).

Supporting paragraphs: Fighting Back (1982 American film) Earle Hyman
Answer: Cliff's father, Russell Huxtable