James Hazell was a cockney private detective character created by journalist and novelist Gordon Williams and footballer Terry Venables, who wrote under the joint pseudonym of P.B.Yuill.

[1] A Thames Television Network Production, Hazell ran for 22 one-hour-long episodes (50 minutes without adverts).

[1] Its theme music was composed by Andy Mackay; the end credits incorporated the theme music with added lyrics, written by Judy Forrest and sung by Maggie Bell.

[5] An academic work, Hazell: The Making of a TV Series by Manuel Alvarado and Edward Buscombe (BFI Publishing) appeared in March 1978.

[6] The main and most frequent cast members were: (*) = Although broadcast as listed, continuity involving the destruction of Hazell's original Triumph Stag car and its replacement with a Jaguar Mark 2, indicates that episode 7 should have been twelfth, and episode 12 should have been ninth (after "Hazell and the Happy Couple", when the Stag is attacked by an angry client).