The second of three appearances in the series by John Cairney, the others being E28, Ascent to Murder (1960) and E38 Pipeline (1960).
Due to the Covid-19 pandemic, Talking Pictures TV suspended its planned broadcast of this episode in the UK in May 2021. At this time India was struggling with the virus & many of its hospitals were unable to cope with the numbers of infected people. It was eventually broadcast in January 2022.
The last of six uncredited appearances in the series by Guy Standeven, the others being in E1, The Thirteen Innocents (1959), E12 The Chinese Mask (1959), E16 No Flowers for Onno (1959), E23 Payment in Advance (1960) and E31 A Foreign Body (1960).
The last of three uncredited appearances by Arthur Lawrence, the others being S1 E32 In the Swim (1960) and S1 E34, Eight Days Inclusive (1960).
The last of three uncredited appearances by Richard Duke in the series, the others being S1 E5 The Long Weekend (1959) and S1 E12, The Chinese Mask (1959).