The song played at the end is a cover of 'Mama Said' by The Shirelles, performed by producer Jimmy Taylor's father Phil and younger brothers, twins Eddie and Ollie. Eddie and Ollie also play the young versions of Theo and Francis, respectively, in the film's 'flashback' sequence.

During production the crew ate McDonalds for dinner almost every day, as this was all the budget allowed for. During one such dinner it was revealed that producer Jimmy Taylor could eat an entire McDonalds cheeseburger in one mouthful.