Taking as a starting point the opposition of this journal’s title, this essay takes the form of a dialogue that is also an encounter between photography and theatre; a vantage point from which conceptual frameworks can be challenged and even collapsed. In the domains of photography and of theatre, much is made of artifice, authenticity, likeness and liveness. Photography criticism has often emphasised the possibility or impossibility of veracity, on the truthfulness or deceptiveness of photographs, with performance seemingly offering one escape route. Theatre, from the conceptualisation of naturalism from the end of the nineteenth century to the challenge posed to it by performance art, has, despite itself being constituted of an eclectic t...