Polly Maberly is riveting as a deluded realtor spiralling out of control in director Gerard Johnson’s messy, blackly comic follow-up to Muscle Polly Maberly is riveting as a deluded realtor spiralling out of control in director Gerard Johnson’s messy, blackly comic follow-up to Muscle D irector Gerard Johnson’s last feature was the impressively stacked Muscle, a dark thriller featuring a never-better Craig Fairbrass as a menacing personal trainer in Newcastle who takes over the life of his