RK
Filmography
| 2024 | Unsinkable · as Senator Newlands |
| 2022 | Mr. Harrigan's Phone · as Chick Rafferty |
| 2022 | Archive 81 (TV Series) · as Doctor |
| 2021 | American Rust (TV Series) · as Tucker (the Coroner) |
| 2021 | The Chair (2021) (TV Series) · as Professor Reinhardt |
| 2020 | Awkwafina Is Nora From Queens (TV Series) · as George |
| 2018 | One Dollar (TV Series) · as Adam Kastpen |
| 2017 | Manhunt (2017) (TV Series) · as Judge |
| 2017 | The Marvelous Mrs. Maisel (TV Series) · as Mr. Greenberg |
| 2015 | Concussion · as Deputy Mayor |
| 2015 | Z: The Beginning of Everything (TV Series) · as Professor Gauss |
| 2014 | The Fault in Our Stars · as Dr. Simmons |
| 2013 | The Blacklist (TV Series) · as Committee Chairman |
| 2013 | The Following (TV Series) · as Dr. York |
| 2011 | Supah Ninjas (TV Series) · as Dr. Warner Krause |
| 2011 | Lightweight · as George |
| 2009 | Parks and Recreation (TV Series) · as Terrence |
| 2008 | Fringe (TV Series) · as Mark |
| 2005 | Numb3rs (TV Series) · as Engineer |
| 2004 | LAX (TV Series) · as State Dept. Rep. |
| 2002 | Boomtown (TV Series) · as Lawyer |
| 2002 | MDs (TV Series) · as G.i. Doctor |
| 2001 | The Tick (2001) (TV Series) · as Bill |
| 2001 | The Agency (TV Series) · as Press Person #1 |
| 2000 | The Huntress (TV Series) · as Professor |
| 1999 | Time of Your Life (TV Series) · as Instructor |
| 1999 | Warm Blooded Killers · as Detective Hughes |
| 1999 | Judging Amy (TV Series) · as Doctor |
| 1998 | Felicity (TV Series) · as Doctor |
| 1998 | The King of Queens (TV Series) · as Dr. Davis |
| 1998 | Any Day Now (TV Series) · as Albert Koslow |
| 1998 | Blackout Effect · as Keith Meadows |
| 1997 | In Dark Places · as G.m. |
| 1997 | City Guys (TV Series) · as Judge |
| 1997 | The Outsider · as Mason |
| 1997 | The Practice (TV Series) · as Dr. Henke |
| 1997 | Just Add Love · as Jared |
| 1996 | Profiler (TV Series) · as Neil Mayer |
| 1996 | Arli$$ (TV Series) · as Cast |
| 1995 | Fast Company · as Len Mcdaniels |
| 1994 | ER (TV Series) · as Dr. Black |
| 1994 | Chicago Hope (TV Series) · as Dave, Felser Foundation |
| 1994 | Thunder Alley (TV Series) · as Policeman |
| 1993 | Frasier (TV Series) · as Fan |
| 1991 | Princesses (TV Series) · as Phil |
| 1991 | Home Improvement (TV Series) · as Man In Audience |
| 1990 | Beverly Hills, 90210 (TV Series) · as Dr. Farr |
| 1989 | The Case of the Hillside Stranglers · as Jason Brown |
| 1986 | Fresno (TV Series) · as Photographer |
| 1986 | L.A. Law (TV Series) · as Kevin Zachary |
| 1986 | Perfect Strangers (TV Series) · as Chuck |
| 1984 | |
| 1981 | Knightriders · as Punch |
| 1981 | Hill Street Blues (TV Series) · as Officer Martin |
| 1978 | Dawn of the Dead · as Officer At Police Dock |
| 1973 | The Young and the Restless (TV Series) · as Robert Madden |
| 1968 | One Life to Live (TV Series) · as Flight Coordinator |
| 1951 | Search for Tomorrow (TV Series) · as Uncle Oscar |