Acting
- 2010Moguls & Movie Stars: A History of HollywoodSelf7 ep.
- 2002Watching EllieClient1 ep.
- 1984VFather Turney1 ep.
- 1977Logan's RunPsychiatrist #11 ep.
- 1977Hunter1 ep.
- 1976Charlie's AngelsGibel1 ep.
- 1969The Brady Bunch1 ep.
- 196412 O'Clock HighSergeant Ellers2 ep.
- 1962Combat!Woody2 ep.
- 1961GunslingerRecruit1 ep.
- 1959RawhideHarry Dobkins3 ep.
- 1957Have Gun, Will Travel4 ep.
Guest appearances
- 2007CSI: Crime Scene InvestigationHampton Huxley1 ep.
- 2002Watching EllieClient1 ep.
- 2001AliasPriest1 ep.
- 2001JAGBob Xavier1 ep.
- 1999The PracticeTed Barrington1 ep.
- 1997Star Trek: Deep Space NineBajoran Officer1 ep.
- 1996The PretenderUSAF General1 ep.
- 1993Beverly Hills, 90210Dr. Rubin1 ep.
- 1984VFather Turney1 ep.
- 1980Charlie's AngelsGibel1 ep.
- 1977Logan's RunPsychiatrist #11 ep.
- 1977Hunter1 ep.
- 1972Adam-12Officer Snyder2 ep.
- 1972The Brady Bunch1 ep.
- 1967The F.B.I.R.A. Douglas1 ep.
- 196612 O'Clock HighAide, Sergeant Ellers2 ep.
- 1963Combat!Sgt. Brice, Woody2 ep.
- 1960RawhideChatsworth, Harry Dobkins, Sergeant Bennett3 ep.
- 1959Have Gun, Will Travel2nd Posseman4 ep.
- 1959GunsmokePvt. King, Roy2 ep.
- 1961GunslingerRecruit1 ep.
Also known as: William A. Wellman III · William A. Wellman Jr. · William A. Wellman · William Wellman · Bill Wellman Jr.