Rubuta ci gaba don wannan sakin layi - A watan Agusta 1985, bayan ya buga wasanni sama da 150 don Lincoln, Thompson ya koma Charlton Athletic. A wasansa na karshe a Lincoln ya shaida mummunan mafarki lokacin da aka kashe 'yan kallo 56 a cikin mummunar wuta
yayin wasa da Bradford City. Ya zama kyaftin na Charlton kuma ya jagoranci su zuwa gabatarwa zuwa Division na farko da wasan karshe na Simod Cup.