John Goodsall – electric and acoustic guitars
Robin Lumley – electric and acoustic pianos, Moog synthesizer, string synthesizer on "Nuclear Burn", Echoplex on "Smacks of Euphoric Hysteria"
Percy Jones – electric and acoustic basses, marimba on "Unorthodox Behavior"
Phil Collins – drums, percussion, vibraphone on "Euthanasia Waltz"
Jack Lancaster – soprano saxophone on "Touch Wood"