Rubuta ci gaba don wannan sakin layi - Da barkewar Yaƙin Duniya na II, an ba Villiers mukamin Laftanar a cikin Royal Naval Reserve a 1940. An sanya shi a cikin jerin gwano na 24 LCI ((L)'s, ko Landing craft, Infantry (Babban). An umurce shi da ya isar da su a fadin Atlantic, tare da asarar kashi 40 cikin 100 da ake tsammani, Villiers ya sami duka amma daya a cikin aminci. Ya umurci "jirgin" na LCI ((L)'s a ranar D-Day a yakin Normandy, mamayewar Sicily
, da kuma Burma Campaign a Far East. A karshen yakin, Villiers ya ci gaba da zama kwamandan kuma ya ba da lambar yabo ta Birtaniya.