Martin Milner Tod Stiles Actor George Maharis Buz Murdock Actor Glenn Corbett Linc Case Actor Kathleen Crowley Guest Star Mario Alcalde Juan De Amundo Guest Star Michael Tolan Largo Varella Guest Star Frank Overton Peter Graham Guest Star Bruce Watson Jimmy Mills Guest Star L.Q. Jones Guest Star Martha Greenhouse Ruthie Guest Star Boris Karloff Himself Guest Star Dick Thies Waldo Guest Star Guy Raymond Constable Guest Star Robert Emhardt Jackson Harris Guest Star Jennifer Billingsley Janie Guest Star James Brown Guest Star Coco Ramirez Citrianc Guest Star Tanigoshi Japanese Worker Guest Star Robert Walker Jr. Michael Ely Guest Star John Davis Chandler Frank Lauderbeck Guest Star Stirling Silliphant Writer Lawrence B. Marcus Writer Howard Rodman Writer Shimon Wincelberg Writer Leonard Freeman Writer Anthony Lawrence Writer Joel Carpenter Writer David Lowell Rich Director Tom Gries Director James Sheldon Director Robert Ellis Miller Director George Sherman Director James Goldstone Director Ralph Senesky Director Robert Gist Director Fred Jackman Jr. Director Richard L. Bare Director Walter Grauman Director Herbert B. Leonard Executive Producer, Director