He was the first Algerian director whose work was screened on French television, and also produced radio drama / mystery series.

While studying, Isker played for Olympique Hussein Dey [fr] (OHD) football club between 1939 and 1943, with his older brother Nafa.

[5] The first television serial based on Durbridge's stories, also translated by Isker along with Yves Jamiaque, was L'écharpe (The Scarf) in 1966.

The 51-episode radio series The Adventures of Arsène Lupin, directed by Abder Isker based on the work of Maurice Leblanc, was presented by Maurice Renault [fr] and Raymond Marcillac as part of the Radio-Magazine du Soir on Paris Inter between 12 May 1960 and 15 July 1961, with the voices of Michel Roux, Louis Ducreux, Robert Marcy, and Yves Brainville.

[5][7] Between 1958 and 1960, he directed a total of 38 episodes of the series Les Enquêtes de Sherlock Holmes, adapted for radio by Jean Marcillac and presented by Maurice Renault, on Paris Inter.