In the Pale Moonlight - S6-E19
Visible crew/equipment: After Jadzia plays devil's advocate with Sisko, he tells her she would've made a decent Romulan. Then, when Sisko passes the camera as he walks around his desk, the blue T-mark is visible on the floor behind Jadzia. (00:06:10)
Answer: He changed his name after the third season because people were having difficulty pronouncing his last name."Alexander Siddig" is the name he typically goes by as his full birth name, "Siddig El Tahir El Fadil El Siddig Abderahman Mohammed Ahmed Abdel Karim El Mahdi", is far too verbose and complex for screen credits.
MoonFaery ★