[16] He performed in public for the first time at the age of seven, as Al Jolson, to sing for wounded wartime soldiers in London hospitals.

[27] Selby made his professional debut in 1949, on stage, playing Curly in the annual production of Peter Pan at the Scala Theatre in Charlotte Street, Fitzrovia.

[31] His film credits included; Witchfinder General (1968),[32] Villain (1971),[33] Adolf Hitler: My Part in His Downfall (1973),[34] If You Go Down in the Woods Today (1981),[35] and Loop (1997).

[36] Selby appeared in many episodic television programmes, including; The Explorer (1955), King of the River (1966), The Avengers (1968), Callan (1972), Black and Blue (1973), The Sweeney (1975), Two's Company (1975), Bergerac (1984), Duty Free (1986), Lovejoy (1991), Renford Rejects (1998), Holby City (1999), Mike and Angelo (2000), and Rose and Maloney (2005).

Three Clear Sundays dealt with capital punishment and was broadcast to 11 million viewers at a time when the debate was at a height in the United Kingdom.

[42] Selby portrayed Sam Maxstead for the first two runs of the ITV fantasy children's television series Ace of Wands from 1970 to 1971.

[43] Selby portrayed Peter Triman in the comedy drama film, Nobody Ordered Love, directed by Robert Hartford-Davis.

The film was released on 5 November 1972 and focused on the events after film director Paul Medbury (John Ronane) attempts to replace Alice Allison (Ingrid Pitt), the alcoholic star of his new First World War movie entitled The Somme, with up-and-coming starlet Caroline Johnson (Judy Huxtable), a series of tragic events begins to unfold.

Kevin Lyons of the BFI National Library Filmographic Unit writes: "Rank released Nobody Ordered Love in 1972 and it certainly played the New Victoria in London, regular home to low-budget exploitation fare.

Star Ingrid Pitt has suggested – in an interview with the Celluloid Slammer blog as well as in one of her on-going series of columns for the Den of Geek website that Hartford-Davis had a falling out with Rank over the lack of promotion they were giving the film and stormed off with the prints, decamping to the States, where he continued to work.

[31] Selby portrayed Sabalom Glitz in the BBC science fiction television series Doctor Who from 1986 to 1987,[49] with Colin Baker and Sylvester McCoy.

[54] Selby played Ben Rumson in the 1996 revival of the Broadway musical comedy, Paint Your Wagon, at Regent's Park Open Air Theatre.

[59] Selby portrayed Danny Paye, an East End loan shark, in the BBC One police procedural comedy drama, New Tricks.

[16] Selby portrayed Gabriel Franks in the Sky One superhero crime drama series Stan Lee's Lucky Man.

[63][16] Selby married his first wife, Jacqueline A "Jacqui" Milburn (born January 1942),[64] an actress and dancer,[15] in Westminster, Middlesex on 30 October 1964,[65] having been together since 1958.

[75][76][77][78] Selby married his second wife, Georgina P "Gina" Sellers[79] (née Bright; born July 1942),[80] a public relations consultant,[16] in Westminster, Greater London on 22 November 1986.

In a career spanning 70 years in theatre, film and TV, Tony was highly respected and loved by family, friends and colleagues.

"[98] Selby is featured on the "In Memory Of" section of the official British Academy of Film and Television Arts (BAFTA) website.

[202] He was remembered during the "In Memoriam" section of the 2022 British Academy Television Awards ceremony, which was held at the Royal Festival Hall in London, on 8 May.