Arnold Diamond (18 April 1915 – 18 March 1992) was an English character actor, regularly cast in small parts on television such as in The Avengers 1967 episode entitled Who's Who when he played Krelmar.

[3] He graduated from RADA in 1936, and his stage work included the RSC, and three years in Agatha Christie's The Mousetrap in the West End (1954-1957).

[4][5][6] In a long career, he was cast in a variety of roles, but frequently in 'foreigner' roles, and often as policemen.

[7] Indeed, his most remembered role is probably that of Colonel Latignant in the 1960s ITC series The Saint with Roger Moore.

[9] Towards the end of his career he appeared in the BBC comedy series In Sickness and in Health as Mr Rabinsky,[10] Alf Garnett's Jewish tight neighbour with a black hat and long beard.