Efrem Zimbalist Jr. Stuart Bailey Actor Roger Smith Jeff Spencer Actor Edd Byrnes Gerald Lloyd Kookson III Actor Louis Quinn Roscoe Actor Jacqueline Beer Suzanne Fabray Actor Byron Keith Lt. Gilmore Actor Robert Logan J.R. Hale Guest Star Jay Novello Wendall Holbrook , Jason Plumstone Guest Star Dawn Wells Connie Kenwood Guest Star Elisha Cook Jr. Alfred 'Pony' Quist Guest Star Ted de Corsia Goddard Guest Star Adrienne Marden Cora Mapes Guest Star