Winner of the Medved brothers' Golden Turkey Award in the category "Worst Two-Headed Transplant Movie".
Jerry Butler, who plays a death row guard, also sings the song "A Prayer" as Rosie Grier is lead to his execution.
Joan Prather's debut.
Ray Milland and Roosevelt Grier, together here playing the title role, would ultimately only have one other shared credit, being in attendance in the star-studded audience for the All-Star Party for 'Dutch' Reagan (1985), a tribute special for the then-current president by many of his Hollywood friends.
Chelsea Brown, in the film's female lead, and Dick Whittington, here playing a TV newscaster, had both been regulars on Rowan & Martin's Laugh-In (1967) during the sketch comedy show's 1968-69 season.