A wealthy attorney is murdered at a party, and the only guests there at the time were a frustrated colleague and his unfaithful wife. Robert Wagner, Stephanie Powers. Gail: Jeanne Lang. Mike: Don Galloway. Myra: Bonnie Bartlett. Lt. Doyle: Harry Caesar. Jean-Claude: Paul Verdier. Norman: William Prince. Ellie: Shannon Wilcox. Inga: Valorie Armstrong.