Many of the guests stars in this episode were on Happy Days (1974) or shows related to it: David L. Lander and Leslie Easterbrook were in Laverne & Shirley (1976); Pat Morita, Don Most and Erin Moran were in Happy Days itself, and Conrad Janis was in Mork & Mindy (1978). Interestingly, former regular Scott Baio and Anson Williams, the latter of whom directed earlier episodes of Diagnosis Murder, were also former "Happy Days" cast members, but neither one did not appear.