Actor-Autor-Productor
* All the Way Home (1963)
* Hamlet (1964)
* Hawaii (1966)
* They Call Me Trinity (1971)
* 1776 (1972)
* The Prodigal (1983)
* Marie (1985)
* Sweet Country (1986)
* The Secret Life of Algernon (1997)
* Ricochet River (1998)
* Held Up (1999)
* Inherit the Wind (1999)
* Blackwater Elegy (2003)
* The Notorious Bettie Page (2006)
* The Night Listener (2006)
* The Conspirator (2011)
Television:
* The Edge of Night (1966–67)
* One Life to Live (1969)
* The Day After (1983)
* The Equalizer (1986)
* Buck James (1987)
* Quantum Leap - "To Catch A Falling Star" (1989)
* Northern Exposure (1990–95)
* To Have and To Hold (1998)
* ER (1997–2000)
* Law & Order: Special Victims Unit (2003–present)
* Mad Men (2007)
* The Middle (2009)

Camelot (14)
Man of la mancha (42)
Ambassador (3)
Shenandoah (2)
The secret garden (6)
Pardon My English (1)
Dr. Seuss' how the Grinch stole Christmas! (2)
August: Osage County (6)
On a clear day you can see forever (4)
Androcles and the Lion (1)
1776 (4)
On the Twentieth Century (3)
Aspects of Love (8)
Urinetown (5)
110 in the shade (2)
The scottsboro boys (1)
Camelot (1960)
Man of La Mancha (1965)
Ambassador (1970)
Shenandoah (1975)
The Secret Garden (1986)
Aspects of love (1990)
Urinetown (2001)
110 in the shade (2007)
The scottsboro boys (2010)
On a Clear Day You Can See Forever (1965)
Androcles and the Lion (1967)
1776 (1972)
On the Twentieth Century (1978)
Shenandoah (1989)
Pardon My English (1993)
Dr. Seuss - How the Grinch stole the Christmas (2006)
August, Osage County (2008)