Partly filmed on location at Chelsea Reach near Battersea Bridge, London.
The first of two uncredited appearances in the series by George Curtis, the other being in E11, The Angola Brights (1959).
The second of three uncredited appearances in the series by Arthur Goodman, the others being E7, Diamond S.O.S. (1959) and E32 In the Swim (1960).
The first of four uncredited appearances in the series by Jack Armstrong, the others being E20, Game for Three Hands (1960), E26 The Girl with Grey Hair (1960) and E34 Eight Days Inclusive (1960).
The first of two uncredited appearances in the series by James Ure, the other being in E16, No Flowers for Onno (1959).