McCartney's Genes (2008)

When he learns that his sperm may be defective, small-time rock vocalist Alex (Hamilton von Watts) decides to father a child before it's too late -- if not with his reluctant wife, Jules (Keri Safran), then with his beautiful manager, Claudia (Lisa Sheridan). But when his band gets a shot at the big time, dad-to-be Alex discovers that he's bitten off more than he can chew. This comedy from director Jason S. Dennis also stars Spencer Gibb.