Question: Henry Wilfrid Brambell, was an Irish film and television actor best known for his role in the British television series "Steptoe and Son", and also performed alongside the Beatles in their film "A Hard Day's Night", playing which English singer-songwriter, multi-instrumentalist, and composer, that gained worldwide fame as the bass guitarist and singer for the rock band the Beatles, fictional grandfather?

full_context: Document 1: J. G. Devlin: James Gerard Devlin (8 October 1907 – 17 October 1991) was a Northern Irish actor who made his stage debut in 1931, and had long association with the Ulster Group Theatre. In a career spanning nearly sixty years, he played parts in TV productions such as "Z-Cars", "Dad's Army", "The New Avengers" and "Bread". He also guest starred, alongside Leonard Rossiter, in an episode of "Steptoe and Son", "The Desperate Hours". The writers of "Steptoe and Son" - Ray Galton and Alan Simpson - have since revealed that Devlin was second choice to play the part of Albert Steptoe in the series, behind Wilfrid Brambell. He also appeared as Father Dooley, a Catholic priest, in several episodes of Carla Lane's "Bread", his last television appearance.
Document 2: Wilfrid Brambell: Henry Wilfrid Brambell (22 March 1912 – 18 January 1985) was an Irish film and television actor best known for his role in the British television series "Steptoe and Son". He also performed alongside the Beatles in their film "A Hard Day's Night", playing Paul McCartney's fictional grandfather.
Document 3: Cultural impact of the Beatles: The Beatles were an English rock band, formed in Liverpool in 1960. With members John Lennon, Paul McCartney, George Harrison and Ringo Starr, they became widely regarded as the foremost and most influential act of the rock era. In the early 1960s, their enormous popularity first emerged as "Beatlemania", but as the group's music grew in sophistication, led by primary songwriters Lennon and McCartney, they came to be perceived as an embodiment of the ideals shared by the counterculture of the 1960s.
Document 4: Lennon–McCartney: Lennon–McCartney was the songwriting partnership between English musicians John Lennon (9 October 19408 December 1980) and Paul McCartney (born 18 June 1942) of the Beatles. It is one of the best known and most successful musical collaborations in history, with the Beatles selling over 600 million records, tapes and CDs as of 2004. Between 1962 and 1969, the partnership published approximately 180 jointly credited songs, of which the vast majority were recorded by the Beatles, forming the bulk of their catalogue.
Document 5: Linda McCartney: Linda Louise McCartney, Lady McCartney (née Eastman; formerly See; September 24, 1941 – April 17, 1998) was an American musician, photographer, animal rights activist, entrepreneur and publisher who was married to Paul McCartney of the Beatles. Prior to marrying Paul, she was a professional photographer of celebrities and contemporary musicians, with her work published in music industry magazines. Her photos were also published in the book "Linda McCartney's Sixties: Portrait of an Era", in 1992.
Document 6: The Beatles: The Beatles were an English rock band formed in Liverpool in 1960. With members John Lennon, Paul McCartney, George Harrison and Ringo Starr, they became widely regarded as the foremost and most influential act of the rock era. Rooted in skiffle, beat and 1950s rock and roll, the Beatles later experimented with several musical styles, ranging from pop ballads and Indian music to psychedelia and hard rock, often incorporating classical elements and unconventional recording techniques in innovative ways. In 1963 their enormous popularity first emerged as "Beatlemania", and as the group's music grew in sophistication in subsequent years, led by primary songwriters Lennon and McCartney, they came to be perceived as an embodiment of the ideals shared by the counterculture of the 1960s.
Document 7: Steptoe and Son (film): Steptoe and Son is a 1972 British comedy drama film and a spin-off from the popular British television comedy series of the same name about two father and son rag and bone men. It starred Wilfrid Brambell and Harry H. Corbett as the eponymous characters, Albert and Harold Steptoe respectively. It also features Carolyn Seymour. A sequel "Steptoe and Son Ride Again" was released the following year.
Document 8: A Hard Day's Night (film): A Hard Day's Night is a 1964 British musical comedy film directed by Richard Lester and starring the Beatles—John Lennon, Paul McCartney, George Harrison, and Ringo Starr—during the height of Beatlemania. It was written by Alun Owen and originally released by United Artists. The film portrays several days in the lives of the group.
Document 9: Some Will, Some Won't: Some Will, Some Won't is a 1970 British comedy film directed by Duncan Wood. It was a remake of "Laughter in Paradise", and starred an ensemble British cast, which included Michael Hordern, Ronnie Corbett, Dennis Price, Leslie Phillips and Arthur Lowe. It featured a cameo performance from "Steptoe and Son" actor Wilfrid Brambell who played Henry Russell, who has left four family members £150,000 in his will, on the condition they do the bizarre tasks he has set out for them.
Document 10: Paul McCartney: Sir James Paul McCartney, {'1': ", '2': ", '3': ", '4': "} (born 18 June 1942) is an English singer-songwriter, multi-instrumentalist, and composer. He gained worldwide fame as the bass guitarist and singer for the rock band the Beatles, widely considered the most popular and influential group in the history of pop music. His songwriting partnership with John Lennon is the most celebrated of the post-war era. After the group disbanded in 1970, he pursued a solo career and formed the band Wings with his first wife, Linda, and Denny Laine.
Document 11: Ringo Starr filmography: In addition to the Beatles' films "A Hard Day's Night" (1964), "Help!" (1965), "Magical Mystery Tour" (1967), "Yellow Submarine" (1968) and "Let It Be" (1970), Ringo Starr also acted in films such as "Candy" (1968), "The Magic Christian" (1969, alongside Peter Sellers), "Blindman" (1971), "Son of Dracula" (1974) and "Caveman" (1981).
Document 12: Wings (band): Wings, also known as Paul McCartney and Wings, were an Anglo-American rock band formed in 1971 by former Beatle Paul McCartney with his wife Linda on keyboards, session drummer Denny Seiwell, and former Moody Blues guitarist Denny Laine. Wings were noted for frequent personnel changes as well as commercial success, going through three lead guitarists and four drummers. However, the core trio of the McCartneys and Laine remained intact throughout the group's existence.
Document 13: James McCartney: James Louis McCartney (born 12 September 1977) is a British musician and songwriter living in London. He is the only son of songwriter and former Beatle Paul McCartney and Linda McCartney. He has contributed to a number of solo albums by his parents, including "Flaming Pie" (1997) and "Driving Rain" (2001) by Paul McCartney and "Wide Prairie" (1998) by Linda McCartney.
Document 14: Harry H. Corbett: Harry H. Corbett, OBE (28 February 192521 March 1982) was an English actor. Corbett is best known for his co-starring role in the popular and long-running BBC Television sitcom "Steptoe and Son" which was first broadcast in the 1960s and 1970s.
Document 15: When Steptoe Met Son: When Steptoe Met Son is a 2002 Channel 4 documentary about the personal lives of Wilfrid Brambell and Harry H. Corbett, the stars of the long-running BBC situation comedy, "Steptoe and Son". It aired on 20 August 2002.
ground_truth: Paul McCartney