Glen A. Larson Creator Lou Shaw Creator Jack Klugman Dr. R. Quincy Actor Garry Walberg Lt. Frank Monahan Actor Robert Ito Sam Fujiyama Actor Val Bisoglio Danny Tovo Actor John S. Ragin Dr. Robert Asten Actor Joseph Roman Sgt. Brill Actor Lynnette Mettey Actor David Moessinger Executive Producer Jeri Taylor Writer, Director Sam Egan Writer Michael Braverman Writer, Director David Karp Writer Lee Sheldon Writer Fred McKnight Writer Preston Wood Writer Erich Collier Writer Georg Fenady Director Aubrey Solomon Writer Deborah Klugman Writer Richard Benedict Director Mel Ferber Director Ray Danton Director William Cairncross Director