Kuigi Brooki on paljuski mõjutanud [[Antonin Artaud|Antonin Artaud']] looming ja tema [[Julmuse teater|Julmuse teatri]] ideed, oli Peter Brooki suurim eeskuju siiski [[Joan Littlewood]], keda ta on nimetanud "20. sajandi keskpaiga Britannia kõige inspireerivamaks ja tegutsema ärgitavamaks lavastajaks". Brookile on inspiratsiooniloomingulist ainest andnud ka [[Jerzy Grotowski]] eksperimentaalteatri ideed,<ref name="Empty">{{cite book|title=Tühi ruum|last=Brook|first= Peter|authorlink= Peter Brook|year=1968}}</ref> [[Bertolt Brecht]], Chris Covics ja [[Vsevolod Meierhold]], samuti [[George Gurdjieff|G. I. Gurdjieff]]i,<ref name="Traditional">{{cite journal|last=Nicolescu|first=Basarab|authorlink=Basarab Nicolescu|title=Peter Brook and Traditional Thought|journal=Contemporary Theatre Review|volume=7|pages=11–23|publisher=Overseas Publishers Association|year=1997|url=http://www.experimentaltheatre.org/peter_brook.htm|doi=10.1080/10486809708568441|last2=Williams|first2=David}}</ref> [[Edward Gordon Craig]]i<ref>[https://www.theguardian.com/stage/2009/mar/07/isadora-duncan "Pas de deux"] by Michael Holroyd, The Guardian, Saturday 7 March 2009</ref> ja [[Matila Ghyka]] looming.<ref>Gibbons, Fiachra [https://www.theguardian.com/stage/2010/jan/17/peter-brook-eleven-twelve "The prayers of Peter Brook"], ''The Guardian'', 17 January 2010.</ref>
