Mr. Wescott / John Gregory / Wayne Campbell Nightfall (1956) as Ben Fraser The Young Stranger (1957) as Police Sgt. Shipley The Big Caper (1957) as Flood Gun Glory (1957) as Grimsell Underwater Warrior (1958) as Lt. William Arnold, MD Onionhead (1958) as Lt. Cmdr. Fox (or the Skipper) The Twilight Zone (1959–1961, TV series) as Confederate Sergeant / Air Force General Lux Playhouse (1959, TV series) as Johnny Warcheck Al Capone (1959) as Sgt. Schaefler Hey Boy! Hey Girl! (1959) as Father Burton Laramie (1959–1963, TV series) as Richards / Father Elliott Wagon Train (1960, TV series) as Ricky Bell The DuPont Show with June Allyson (1960, TV series) as John Kramer General Electric Theater as Swandy Green in "Sarah's Laughter" (1960, TV episode) as Sandy Green Frontier Circus (1961, TV series) as Jacob Carno The New Breed (1961, TV series) as Father Al The Untouchables (1961, TV series) as Walter Trager X-15 (1961) as Tom Deparma Target: The Corruptors (1962, TV series) as Terran The Virginian (1962, TV series) as Slim Jessup Two Weeks in Another Town (1962) as Brad Byrd The Manchurian Candidate (1962) as Senator John Yerkes Iselin Empire (1962, TV series) as Theron Haskell Sam Benedict (1963, TV Series) as John Paul Elcott The Eleventh Hour (1963, TV series) as Eddie Forman PT 109 (1963) as Commander C.R. Ritchie Twilight of Honor (1963) as Norris Bixby The Alfred Hitchcock Hour (1963, TV series) as Fred Kruger Rawhide (1963–1965, TV series) as Lash Whitcomb / Mister Brothers / Owen Spencer The Lieutenant (1963–1964, TV series) as Sgt. Horace 'Biff' Capp / Sgt. Horace Capp Captain Newman, M.D. (1963) as Col. Edgar Pyser Breaking Point (1964, TV series) as Malcolm The Defenders (1964, TV series) as Paul Tasso A Distant Trumpet (1964) as Maj. Gen. Alexander Upton Quaint Quick Before It Melts (1964) as Vice Admiral Bonanza (1964–1969, TV series) as Sgt. Mike Russell / Mulvaney / Whitney Parker The Sons of Katie Elder (1965) as Morgan Hastings Gunsmoke (1965–1968, TV series) as John Scanlon / Judge Calvin Strom / Wes Martin The Wild, Wild West (1965, TV series) as Ulysses S. Grant A Rage to Live (1965) as Dr. O'Brien A Man Called Shenandoah (1966, TV series) as Jake Roberts The Big Valley four episodes: "Pursuit" and "Ambush" as Simon Carter, "The Challenge" as Senator Jim Bannard, and "The Other Face of Justice" as Harry Bodine