Kammala jumla mai zuwa: Gladiator ya ga aikin a kusan dukkanin wasan kwaikwayo a lokacin yakin duniya na biyu, tare da yawancin sojojin sama, wasu daga cikinsu a gefen Axis. RAF ta yi amfani da shi a Faransa, Norway,
Girka, tsaron Malta, Gabas ta Tsakiya, da kuma ɗan gajeren Anglo-Iraqi War (a lokacin da Royal Iraqi Air Force aka makamancin sanye take). Sauran ƙasashen da suka tura Gladiator sun haɗa da China a kan Japan, wanda ya fara a 1938; Finland (tare da masu sa kai na Sweden) a kan Tarayyar Soviet a cikin Yakin hunturu da Yaƙin Ci gaba; Sweden a matsayin mai tsaka tsaki ba mai yaƙi ba (duk da cewa masu sa kai na Sweden sun yi yaƙi da Finland a kan USSR kamar yadda aka ambata a sama); da Norway, Belgium, da Girka suna tsayayya da mamayar Axis na ƙasashensu.