His arrival coincides with a cot death storyline of Sue and Ali 's baby , Hassan .
Bilginer makes his first appearance in Eastenders as Mehmet Osman on - screen in June 1985 , four months after the show originally aired .
Bilginer 's arrival coincides with a cot death storyline of Sue and Ali 's baby , Hassan .
Bilginer makes his first appearance in Eastenders as Mehmet Osman on - screen in June 1985 , four months after the show originally aired .