George Georgiou, who plays mujahideen fighter Abassin Zadran, is actually British and born in London to Greek-Cypriot parents.
In the opening, Henry is seen watching an ad for the series finale of "M*A*S*H". The show aired 28 February 1983.
The song playing in Paige's radio is Vienna by UK band Ultravox which was released in 1980 and reached number 2 in the UK chart.