Filmography
| Year | Title | Role | Notes |
|---|---|---|---|
| 1974 | Crazy World of Julius Vrooder, TheThe Crazy World of Julius Vrooder | Quintus | |
| 1983 | Sound of Sunshine - Sound of Rain | Narrator | Short film |
| 1988 | Deep Space | Jerry Merris | |
| 1995 | Houseguest | Dr. Derek Bond | |
| 1996 | It's My Party | Dr. David Wahl | |
| 1997 | Back in Business | Allen Smith | |
| 1999 | Deal of a Lifetime | Mr. Creighton | |
| 1999 | Unbowed | President Duquesne | |
| 2001 | Recess: School's Out | Dr. Lazenby / Tech #2 (voice) | |
| 2005 | Serenity | Shepherd Derrial Book | |
| 2008 | Lakeview Terrace | Harold Perreau | |
| 2010 | Death at a Funeral | Duncan | |
| 2012 | Strange Frame: Love & Sax | Philo D Grenman | Post-production |
| Year | Title | Role | Notes |
|---|---|---|---|
| 1972 | Sanford and Son | Hucklebuck | Episode: "The Card Sharps" |
| 1973 | All in the Family | Jack | Episode: "Everybody Tells the Truth" |
| 1973 | Beg, Borrow, or Steal | Ray Buren | TV movie |
| 1973 | Shirts/Skins | Mr. Brown | TV movie |
| 1973 | Maude | Whitnauer Fulton | Episode: "Florida's Affair" |
| 1973 | Hawaii Five-O | J. Paul | Episode: "Tricks Are Not Treats" |
| 1973 | Bob Newhart Show, TheThe Bob Newhart Show | Elevator Repairman | Episode: "Fit, Fat and Forty-One" |
| 1973 | Griff | Dietrich | Episode: "Elephant in a Cage" |
| 1973 | Insight | Episode: "Reunion" | |
| 1974 | New Adventures of Perry Mason, TheThe New Adventures of Perry Mason | Borden | Episode: "The Case of the Tortured Titan" |
| 1974 | Change at 125th Street | TV movie | |
| 1974 | Good Times | Mr. Pearson Henry Anderson |
Episode: "Crosstown Buses Run All Day, Doodah, Doodah" Episode: "The Encyclopedia Hustle" |
| 1974 | Sanford and Son | Herman | Episode: "Once a Thief" |
| 1974 | Streets of San Francisco, TheThe Streets of San Francisco | Episode: "Rampage" | |
| 1975 | Let's Switch! | LaRue Williams | TV movie |
| 1975 | Insight | Rickell | Episode: "Class Reunion" |
| 1975 | Foster and Laurie | Doctor #2 | TV movie |
| 1975 | When Things Were Rotten | Black Knight | Episode: "This Lance for Hire" |
| 1975–1982 | Barney Miller | Det. Ron Harris | 164 episodes |
| 1976 | Streets of San Francisco, TheThe Streets of San Francisco | Arlen Washington | Episode: "The Thrill Killers: Part 1" Episode: "The Thrill Killers: Part 2" |
| 1978 | Crash | Jerry Grant | TV movie |
| 1981 | Hart to Hart | Conductor Slattery | Episode: "Hartland Express" |
| 1982–1983 | New Odd Couple, TheThe New Odd Couple | Felix Unger | 18 episodes, Co-star |
| 1985 | Gus Brown and Midnight Brewster | Midnight Brewster | TV movie |
| 1985 | Twilight Zone, TheThe Twilight Zone | The Devil | Segment: "I of Newton" |
| 1986 | Perry Mason: The Case of the Shooting Star | Eric Brenner | TV movie |
| 1987 | 227 | Robert Stone | Episode: "The Audit" Episode: "There Goes the Building" |
| 1989 | Family Matters | Buddy Goodrich | Episode: "False Arrest" |
| 1989 | Amen | Jason Lockwood | Episode: "Witness for the Defense" |
| 1990 | Amen | Jason Lockwood | Episode: "Miracle on 134th Street: Part 1" Episode: "Miracle on 134th Street: Part 2" |
| 1991 | Amen | Jason Lockwood | Episode: "Deak-Scam" |
| 1991 | Adam-12 | Logan Mills | Episode: "D.A.R.E." |
| 1992 | Murder, She Wrote | Lt. Hanrahan | Episode: "Incident in Lot #7" |
| 1992 | Royal Family, TheThe Royal Family | Deacon Hudson | Episode: "The Sneakin' Deacon" |
| 1992–1993 | Rhythm & Blues | Don Phillips | 13 episodes |
| 1993 | Designing Women | Punch | Episode: "It's Not So Easy Being Green" |
| 1993 | Rugrats | Randy Carmichael (voice) | 3 episodes |
| 1994 | Aladdin | Kwanseer (voice) | Episode: "Bad Mood Rising" |
| 1996–1997 | Mr. Rhodes | Roland Felcher / Ronald Felcher | 17 episodes |
| 1997 | Superman | News Anchorman (voice) | Episode "Blasts from the Past: Part II" |
| 1997 | Practice, TheThe Practice | Judge Kent | Episode: "Reasonable Doubts" |
| 1997–1998 | Teen Angel | God's cousin Rod | 17 episodes |
| 1999 | Incognito | Marcus Courtland | TV movie |
| 1999 | Twice in a Lifetime | Charlie Summers / Charlie Winters | Episode: "The Blame Game" |
| 1999 | Friends | Russell | Episode: "The One Where Ross Hugs Rachel" Episode: "The One Where Joey Loses His Insurance" |
| 2000 | Jack & Jill | Episode: "Animal Planet: Part 1" | |
| 2000 | Zoe | Professor Bradford | Episode: "Too Much Pressure" |
| 2000 | Star Trek: Voyager | Loken | Episode: "Nightingale" |
| 2001 | Rude Awakening | Marcus' father | Episode: "Ode to Billie and Joe" |
| 2001 | Yes, Dear | Dr. Bradley | Episode: "The Big Snip" |
| 2001 | Education of Max Bickford, TheThe Education of Max Bickford | Graham Redmond | Episode: "Pilot" |
| 2001 | Proud Family, TheThe Proud Family | The Talking Baby (voice) | Episode: "Spelling Bee" Episode: "Makeover" |
| 2002–2003 | Firefly | Shepherd Book | 13 episodes |
| 2004 | Division, TheThe Division | Barry | Episode: "Hail, Hail, the Gang's All Here" |
| 2004–2007 | All Grown Up! | Randy Carmichael (voice) | 9 episodes |
| 2006 | Secret History of Religion: Doomsday - Book of Revelation | Reenactor | TV movie |
| 2006 | Secret History of Religion: Knights Templar | Reenactor | TV movie |
| 2006–2007 | Shark | Judge Stewart Fenton | Episode: "Dr. Feelbad" Episode: "Dial M for Monica" Episode: "Student Body" |
| 2008 | Dirty Sexy Money | D.A. Dennis Ford | Episode: "The Star Witness" Episode: "The Verdict" |
| 2011 | CSI: NY | Colby Glass | Episode: "To What End?" |
Read more about this topic: Ron Glass