John Altman

In April 2020, he appeared with 7 other celebrities in the 4th series of the BBC travel documentary series The Real Marigold Hotel, filmed in Puducherry, India.

In February 2017, he appeared in June Brown at 90 – A Walford Legend, a special BBC documentary that aired to celebrate June Brown's 90th birthday.

Altman released his autobiography, In the Nick of Time which was published on 30 June 2016.

His character was also given his own television spin-off episode titled Return of Nick Cotton which aired in October 2000. His character was killed off in the episode that aired on 13 February 2015 and made his final appearance as a corpse in the episode that marked the 30th anniversary of the show on 19 February 2015. His body was found in the same way as his victim Reg Cox was found in the first episode. A year earlier, his character's death had been announced in the show, only for it to emerge within a few months that Nick had faked his own death.

In February 2015, he appeared as a guest on The Graham Norton Show as part of an EastEnders special episode alongside June Brown, Adam Woodyatt, Letitia Dean, Danny Dyer, Kellie Bright, Shane Richie, Jessie Wallace and Pam St. Clement.

In August 2010, he joined a band called Heavy Metal Kids. From late 2010, until early 2011, Altman appeared in adverts for Daz along with actors (Michael Starke and Amanda Barrie), from rival soap opera Coronation Street. In February 2011, he appeared on Live from Studio Five. In January 2012, he appeared as one of the first five couples in the third series of Celebrity Coach Trip partnering fellow actor Derek Martin.

In 2004, he made an appearance in the comedy sketch series Bo' Selecta! as his EastEnders character. In 2006, Altman was set to appear in an upcoming British film called It's Been Real, the trailer can be seen on YouTube. It still has yet to be released in cinemas. John Altman also appeared on 18 July 2009 episode of Totally Saturday by climbing out of the boot of a car.

In 2002, he toured around the UK playing Billy Flynn in the long-running musical Chicago. He also appeared in the John Godber written stage play Bouncers opposite fellow soap actor Nigel Pivaro who is best known for playing Terry Duckworth in Coronation Street.

Away from television, he also appeared in an adult pantomime, which released on video in 1994 titled Pussy in Boots. In the pantomime he appeared alongside fellow EastEnders stars Mike Reid and Barbara Windsor. In 2001 he won the Rear of the Year Award alongside Claire Sweeney. In the same year he also performed in the Leiber and Stoller tribute evening at the Hammersmith Apollo, singing Trouble, originally performed by Elvis Presley.

Altman married Brigitte Poodhun in 1986 and they divorced in 1997. He has one daughter.

In 1985, he first appeared as Nick Cotton in the new BBC television soap opera EastEnders, appearing in the first episode in February that year. He went onto make recurring appearances in the show and has had a major role in many famous storylines in the show including the murders of Reg Cox (whose body was found in the first episode) and Eddie Royle, his attempt to kill his own mother Dot by poisoning her and his various feuds with characters including Pete Beale, Den Watts and Mark Fowler. He also contributed towards the death of his own son Ashley by sabotaging a motorbike which Ashley ended up stealing and crashing.

Altman made his acting debut in the 1979 film The First Great Train Robbery where he played a minor role. Also in 1979, he portrayed musician George Harrison in the biographical television film Birth of The Beatles. He made brief appearances in several other films including Quadrophenia (1979), An American Werewolf in London (1981) and Memoirs of a Survivor (1981). In 1980, Altman worked as a model in creating prototypes of the Hawkmen that appear in the Dino De Laurentiis–produced film, Flash Gordon but did not appear in the film itself. In 1982, Altman played the role of a Royal Navy rating alongside Timothy Spall in the Channel 4 film Remembrance. Altman also featured in a 1982 short public information film, "Stupid Git", part of the British government's campaign against drink-driving.

John Clarkson Stewart (born 2 March 1952), known as John Altman, is an English actor and singer, perhaps best known for playing Nick Cotton in the popular BBC soap opera EastEnders. He was among the show's original cast members appearing in the first episode in February 1985 and appeared on the show on and off as a recurring character. His character was killed off in the 30th anniversary episode of the show which aired in February 2015. Altman has also appeared in several films, television series and stage productions. In 2010, he became the new frontman of the band Heavy Metal Kids following the death of former frontman Gary Holton in 1985.

Altman was born in Reading, Berkshire, to parents Tina Florence (née Schofield; 1920–2016) and Cecil Clifton Stewart (1923–1991). His maternal grandfather was actor Johnnie Schofield.