1930s
- Stephen Boyd (1931–1977)
- Peter Boyle (1935–2006)
- Eileen Brennan (1932– )
- George Carlin (1937–2008)
- Brian Dennehy (1938– ) film/television/stage character actor
- Clint Eastwood (1930– )
- Malachy McCourt (1931– )
- Jack Nicholson (1937– )
- Mike Farrell (1939– )
- Bernie McInerney (1936– ) film/television/stage character actor
- Bryan O'Byrne (1931–2009) actor and acting coach
- Roy Scheider (1932–2008)
- James Earl Jones (1931– )
- Robert Redford (1936– ) is of English and Scots-Irish ancestry.
Read more about this topic: List Of American Actors Of Irish Descent