David Janssen Harry Orwell Actor Henry Darrow Lt. Manuel 'Manny' Quinlan Actor Anthony Zerbe Lt. K.C. Trench Actor Joanna Pettet Guest Star Craig Stevens Guest Star Kathy Lloyd Guest Star Margaret Avery Guest Star Les Lannom Lester Hodges Guest Star Tom Atkins Guest Star Hal Williams Guest Star Mel Stewart Guest Star David Moses Guest Star Farrah Fawcett Guest Star Kathrine Baumann Guest Star Clay Tanner Guest Star Eric Christmas Guest Star Paul Tulley Sgt. Roberts Guest Star Mary Maldonado Guest Star Wayne Grace Guest Star G.W. Bailey Guest Star Jerry Thorpe Executive Producer, Director Buck Houghton Producer Robert Pirosh Writer Robert E. Thompson Producer Robert Dozier Producer, Writer Stephen Kandel Writer Herman Groves Writer Robert Malcolm Young Writer Michael Winder Writer John Newland Director Paul Wendkos Director Gene Thompson Writer Howard Rodman Writer Daryl Duke Director Robert Lewis Director Richard Lang Director Robert C. Dennis Writer Marvin Gluck Writer