| Title | Year | Status | Character |
|---|
| Murder, She Wrote: South by Southwest | 1997 | TV Movie creator | |
| Murder, She Wrote | | TV Series created by - 264 episodes, 1984 - 1996 written by - 33 episodes, 1984 - 1993 story - 4 episodes, 1984 - 1986 teleplay - 3 episodes, 1984 - 1987 | |
| Dead Man's Island | 1996 | TV Movie written by | |
| Murder, She Wrote: Mystery Jigsaw Puzzles | 1996 | Video Game based on TV series created by | |
| Cops n Roberts | 1995 | written by | |
| Columbo | | TV Series written by - 7 episodes, 1974 - 1995 story by - 1 episode, 1976 teleplay by - 1 episode, 1974 | |
| Coopersmith | 1992 | TV Movie | |
| Stranger at My Door | 1991 | TV Movie written by | |
| Tagget | 1991 | TV Movie teleplay | |
| The Law and Harry McGraw | 1987 | TV Series creator - 1 episode | |
| Blacke's Magic | | TV Series created by - 13 episodes, 1986 written by - 1 episode, 1986 story - 1 episode, 1986 teleplay - 1 episode, 1986 | |
| Darkroom | | TV Series teleplay - 3 episodes, 1981 - 1982 writer - 1 episode, 1981 | |
| Hellinger's Law | 1981 | TV Movie screenplay - as Lawrence Vail / story - as Lawrence Vail | |
| Walt Disney's Wonderful World of Color | 1979 | TV Series story - 2 episodes | |
| Donovan's Kid | 1979 | TV Movie story | |
| The Eddie Capra Mysteries | | TV Series created by - 11 episodes, 1978 - 1979 writer - 2 episodes, 1978 written by - 1 episode, 1978 | |
| What Really Happened to the Class of '65? | | TV Series story - 1 episode, 1978 writer - 1 episode, 1977 | |
| Richie Brockelman, Private Eye | 1978 | TV Series 2 episodes | |
| Black Beauty | 1978 | TV Mini-Series writer | |
| Charlie Cobb: Nice Night for a Hanging | 1977 | TV Movie screenplay / story | |
| Once an Eagle | 1976 | TV Mini-Series 4 episodes | |
| Delvecchio | 1976 | TV Series writer - 1 episode | |
| Ellery Queen | | TV Series teleplay - 3 episodes, 1975 written by - 1 episode, 1976 story by - 1 episode, 1975 teleplay by - 1 episode, 1975 story - 1 episode, 1975 | |
| McMillan & Wife | 1974-1975 | TV Series written by - 3 episodes | |
| A Cry for Help | 1975 | TV Movie writer | |
| Baretta | 1975 | TV Series written by - 1 episode | |
| Kojak | 1975 | TV Series written by - 1 episode | |
| Griff | 1973-1974 | TV Series written by - 3 episodes | |
| Owen Marshall, Counselor at Law | | TV Series written by - 1 episode, 1973 writer - 1 episode, 1972 | |
| Marcus Welby, M.D. | 1972-1973 | TV Series writer - 3 episodes | |
| The Last Child | 1971 | TV Movie written by | |
| Title | Year | Status | Character |
|---|
| Cops n Roberts | 1995 | executive producer | |
| Murder, She Wrote | 1984-1991 | TV Series executive producer - 154 episodes | |
| Columbo | 1990 | TV Series executive producer - 1 episode | |
| The Law and Harry McGraw | 1987 | TV Series executive producer - 1 episode | |
| Blacke's Magic | 1986 | TV Series executive producer - 5 episodes | |
| Darkroom | 1981 | TV Series executive producer | |
| The Eddie Capra Mysteries | | TV Series executive producer - 1 episode, 1978 producer - 1 episode, 1978 | |
| Richie Brockelman, Private Eye | 1978 | TV Series producer - 5 episodes | |
| Black Beauty | 1978 | TV Mini-Series executive producer | |
| Charlie Cobb: Nice Night for a Hanging | 1977 | TV Movie producer | |
| Once an Eagle | 1976 | TV Mini-Series producer - 4 episodes | |
| Ellery Queen | 1975-1976 | TV Series producer - 22 episodes | |
| Title | Year | Status | Character |
|---|
| Murder, She Wrote: The Celtic Riddle | 2003 | TV Movie creator: unaccepted in writer's section by WGA | |
| Murder, She Wrote: The Last Free Man | 2001 | TV Movie creator: writing credits locked by WGA | |
| Murder, She Wrote: A Story to Die For | 2000 | TV Movie creator: unaccepted in writer's section by WGA | |
| Columbo | 1974-1976 | TV Series executive story consultant - 12 episodes | |
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