Veteran character actor Walter Addison has worked in several films, plays and TV productions ever since 1980's. He has worked with directors such as Tony Scott, Roger Spottiswoode, Zack Snyder and Mike Nichols in many different projects, usually playing authority figures as judges, executives and directors. His film debut was with Schrei nach Rache (1980). On TV, Addison appeared in episodes of "MacGyver" (1985)_, "L.A. Law" (1986)_, "Murphy Brown" (1988)_, "Seinfeld" (1990)_, "Chicago Hope" (1994)_, "Will & Grace" (1998)_, "Scrubs" (2001)_, "Boston Legal" (2004)_, "Grey's Anatomy" (2005)_ and the award winning miniseries "American Crime Story" (2016)_. His film career consists of supporting roles in films such as Rapid Fire - Unbewaffnet und extrem gefährlich (1992); as the arrogant and greedy blood bank executive who challenges the CDC members in HBO's ...und das Leben geht weiter (1993); Die letzte Verführung (1994), The Fan (1996), Good Vibrations - Sex vom anderen Stern (2000), as commentator Sam Samuels in Dick und Jane (2005), and as Lee Iacocca in Watchmen: Die Wächter (2009).