Credits

• 2025 · Going Dutch as General Davidson
• 2023 · Trinity's Triumph as Monsignor Heck
• 2022 · The U.S. and the Holocaust as (voice)
• 2022 · Inside the Black Box as
• 2021 · Our Kind of People as Teddy Franklin
• 2021 · Hemingway as Ralph Ellison (voice)
• 2020 · Between the World and Me as Self
• 2015 · Proof as Dr. Charles Russell
• 2012 · Coma as Nelson
• 2009 · The Line as Hodges
• 2008 · Lifelines as Dr. Livingston
• 2007 · Badland as Max Astin
• 2006 · The Nuremberg Trials as Narrator (voice)
• 2005 · Lenny The Wonder Dog as Dr. Island
• 2005 · Back in the Day as Reverend Packer
• 2005 · Gone But Not Forgotten as Reggie Stewart
• 2003 · Jasper, Texas as Walter Diggles
• 2000 · Bounce as Jim Willer
• 2000 · Ali: An American Hero as Malcom X
• 1999 · The Astronaut's Wife as Sherman Reese
• 1997 · Dellaventura as Councilman Caulder
• 1996 · Jack Reed: Death and Vengeance as Gordon Thomas
• 1995 · Under One Roof as Ron Langston
• 1995 · The Walking Dead as Sgt. Barkley
• 1992 · Forever Young as Cameron
• 1991 · The Good Policeman as Sweets Montgomery
• 1990 · Equal Justice as Mike James
• 1990 · Challenger as Dr. Ronald McNair
• 1988 · The Good Mother as Frank Williams
• 1988 · Zelly & Me as Earl
• 1987 · Stranded as Sheriff McMahon
• 1986 · Crossroads as Scratch's Assistant
• 1981 · We're Fighting Back as Elgin Jones
• 1979 · ...And Justice for All as Prison Doctor
• 1977 · Between the Lines as Ahmed
• Future · NOVA: Addiction as
• 2025 · Forgotten Hero: Walter White and the NAACP as Narrator
• 2022 · Sherri as Self - Guest
• 2021 · Zack Snyder's Justice League as Silas Stone
• 2020 · Mr. Tornado as Narrator (voice)
• 2020 · Time Warp Vol. 2: Horror and Sci-Fi as Self
• 2019 · A Million Eyes as Fern
• 2019 · The Politician as Marcus Standish
• 2019 · Tamron Hall as Self - Guest
• 2019 · Godzilla: King of the Monsters as Dr. Houston Brooks
• 2018 · God Friended Me as Arthur Finer
• 2017 · T2: Reprogramming The Terminator as Self
• 2017 · Justice League as Silas Stone
• 2016 · Brett Gelman's Dinner in America as Himself
• 2016 · All the Way as Roy Wilkins
• 2016 · Batman v Superman: Dawn of Justice as Silas
• 2015 · Grace and Frankie as Jason
• 2015 · Cleveland Abduction as Agent Solano
• 2013 · Home as Donald Hall
• 2012 · Scandal as Eli 'Rowan' Pope
• 2010 · Halves of a Dream: Making Trouble in Mind as Self
• 2009 · White Collar as Kyle Bancroft
• 2009 · The Good Wife as Daniel Golden
• 2009 · Warehouse 13 as Reverend John Hill
• 2008 · Grand Central as Narrator
• 2007 · American Gangster as Charlie Williams
• 2006 · Brothers and Sisters as Peter Madsen
• 2006 · Eureka as Henry Deacon
• 2006 · The Night Listener as Ashe
• 2005 · E-Ring as Steven Algazi
• 2005 · Stealth as Dick Marshfield
• 2005 · Timescapes: A Multimedia Portrait of New York, 1609-Today as Additional Voices
• 2005 · Building the Alaska Highway as Narrator (voice)
• 2005 · Numb3rs as Peter Lange
• 2004 · House as Gary Wright
• 2004 · Boston Legal as Attorney Steve Duprey
• 2004 · CSI: NY as Dwight Hillborne
• 2004 · Unforgivable Blackness: The Rise and Fall of Jack Johnson as Other Voices (voice)
• 2004 · The Jury as
• 2003 · Paycheck as Agent Dodge
• 2003 · Whoopi as Martin James
• 2003 · Thoughtcrimes as Jon Harper
• 2002 · Dragonfly as Hugh Campbell
• 2001 · Ali as Chauncey Eskridge
• 2001 · Africa: The Leopards of Zanzibar as Narrator
• 2001 · Smallville as Steven Hamilton
• 2001 · Africa as Narrator
• 2001 · Beyond Human as Narrator
• 2000 · What Lies Beneath as Dr. Drayton
• 1999 · Y2K as Martin Lowell
• 1999 · Law & Order: Special Victims Unit as Ray Bevins
• 1999 · The Black Press: Soldiers Without Swords as Self - Narrator
• 1998 · Apt Pupil as Dan Richler
• 1998 · Mercy Point as Dr. Grote Maxwell
• 1998 · Blues Brothers 2000 as Cab Chamberlain
• 1997 · Trouble on the Corner as Detective Bill
• 1997 · Speed 2: Cruise Control as Lt. Herb 'Mac' McMahon (uncredited)
• 1997 · Prince Street as
• 1997 · The Practice as U.S. Attorney
• 1997 · Miss Evers' Boys as Dr. Sam Brodus
• 1997 · The Pest as Mr. Kent
• 1996 · Lone Star as Delmore "Del" Payne
• 1996 · Executive Decision as Cappy
• 1995 · New York News as Mitch Cotter
• 1995 · In the Shadow of Evil as Lt. Royce
• 1995 · American Cinema as Narrator
• 1994 · Touched by an Angel as Jake Stone
• 1994 · Touched by an Angel as Martin Hunter
• 1994 · New York Undercover as
• 1994 · Speed as Capt. McMahon
• 1994 · The Inkwell as Kenny Tate
• 1994 · Against the Odds: The Artists of the Harlem Renaissance as Narrator
• 1993 · The Great Depression as Self - Narrator (voice)
• 1993 · The X-Files as Martin Wells
• 1993 · TriBeCa as
• 1993 · Homicide: Life on the Street as Sam Thorne
• 1993 · T2: More Than Meets the Eye as Self
• 1993 · The Great Depression: A Job at Ford's as Narrator
• 1992 · Of Mice and Men as Crooks
• 1992 · Legacy of Lies as Samuel Flowers
• 1991 · City of Hope as Winn
• 1991 · Terminator 2: Judgment Day as Miles Dyson
• 1990 · Law & Order as Defense Attorney Leon Chiles
• 1990 · Law & Order as Roland Books
• 1990 · The Lost Platoon as World War II soldier
• 1989 · Making a Case for Murder as Cederic Sandiford
• 1989 · Tap as Nicky
• 1988 · Terrorist on Trial: The United States vs. Salim Ajami as Tandy
• 1988 · Police Story: Burnout as Sgt. Jeff Allen
• 1988 · American Experience as Narrator (voice)
• 1988 · Alone in the Neon Jungle as Ken Fraker
• 1987 · A Different World as Byron Douglas III
• 1985 · Trouble in Mind as Solo
• 1985 · The Equalizer as Slate
• 1985 · The Equalizer as Carter Brock
• 1984 · Miami Vice as Lt. Jack Davis
• 1984 · The Brother from Another Planet as The Brother
• 1984 · A Good Sport as Lionel Zachary
• 1983 · Curse of the Pink Panther as Charlie
• 1982 · The Clairvoyant as Detective Rich
• 1982 · Nature as Narrator (voice)
• 1980 · Death Penalty as William Terry
• 1979 · Lawman Without a Gun as Louis
• 1978 · Watch Your Mouth as Mr. Raymond Geeter
• 1976 · What's Happening!! as
• 1975 · Grady as Hal Marshall
• 1974 · NOVA as Additional Narration
• 1974 · NOVA as Narrator
• 1972 · M*A*S*H as Captain Saunders
• 1972 · Sanford and Son as
• 1966 · Mission: Impossible as Clerk
• Future · War Birds: Diary of an Unknown Aviator as Narrator