
Acting
Ronald Arthur "Ron" Silver (July 2, 1946 – March 15, 2009) was an American actor, director, producer, radio host, and political activist.
Description above from the Wikipedia article Ron Silver, licensed under CC-BY-SA, full list of contributors on Wikipedia.

My Father's Will
as Dunbar

PoliWood
as Self
Xenophobia
as President

The Ten
as Fielding Barnes

Find Me Guilty
as Sidney Finestein

The Best of The Tony Awards: The Plays
as Charlie Fox (segment "Speed-the-Plow")

Red Mercury
as Sidney
Broken Promises: The United Nations at 60
as Narrator (voice)

Jack
as Paul

Fahrenhype 9/11

Law & Order: Trial by Jury
as Bernie Adler · 1 ep.

Real Time with Bill Maher
as Self · 1 ep.

Skin
8 ep.

Crossing Jordan
as Shelly Levine · 1 ep.

The West Wing
as Bruno Gianelli · 19 ep.

Heat Vision and Jack
as Ron Silver · 1 ep.

The Practice
as Attorney John Mockler · 1 ep.

Veronica's Closet
as Alec Bilson · 22 ep.

A Woman of Independent Means
as Arthur · 3 ep.

Chicago Hope
as Tommy Wilmette · 11 ep.
The Entity
1982