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 Marilyn Maxwell Pauline Grant Guest Star John Howard David Bonner Guest Star Gerald Mohr Artie Henneghan Guest Star Victor Buono Charlie Case Guest Star Yvonne Craig Kristan Royal Guest Star Ed Prentiss Walter Kridler Guest Star