The nightclub scene features Alexis Korner's band CCS's version of the Led Zeppelin song "Whole Lotta Love" - also used as the theme tune for Top Of The Pops for many years.
Tony Anholt and Yasuko Nagazumi both later became regulars on season two of Space:1999.
There are two De Havilland Dragon Rapide biplanes featured. Registrations G-AGSH and G-AIDL. Both these aircraft still exist in 2023 and are airworthy.