Brendan O'Carroll, the author of the book on which the film is based, appears throughout the film as the drunk character first at the cemetery he is the man who races into the pub for a pint ahead of the Brown cortège, then he is putting up the
Tom Jones posters, then he is on the bridge where Agnes and the Frenchman stop on their date and finally the character who asks who the owner of the fancy car is at the end.
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