The third of six uncredited appearances in the series by Guy Standeven, the others being in E1, The Thirteen Innocents (1959), E12 The Chinese Mask (1959), E23 Payment in Advance (1960), E31 A Foreign Body (1960) and E36 Cargo of Death (1960).
The third of six uncredited appearances in the series by Roy Everson, the others being in E5, The Long Weekend (1959), E15 Last Man Lucky (1959), E24 Checkmate (1960), E31 A Foreign Body (1960) and E39 The Absent Assassin (1960).
The second of two uncredited appearances in the series by James Ure, the first being in E8, Private View (1959).