The traditional American folk song "Oh! Susanna" is featured in "Alfred J Hemlock" as an homage to the Sam Raimi film "Army of Darkness" where it is sung by Evil Ash.
Alfred J Hemlock riding a tricycle was inspired by Billy the Puppet who often appeared riding an old-fashioned red tricycle in the "Saw" horror films.
"Alfred J Hemlock" captures a piece of Sydney's architectural history as the buildings that once formed the alleyway in which the film was shot have since been torn down for redevelopment.
Executive Producer Robert Raymond was the promoter responsible for the now infamous 1974 Frank Sinatra tour of Australia that was made into the movie "The Night We Called it a Day" starring Dennis Hopper as Frank Sinatra and Joel Edgerton as Robert Raymond.