Adnabyddus am
Writing
Credydau
20
Rhyw
Dyn
Penblwydd
7 Maw 1913
Dydd marwolaeth
24 Maw 1996 (83)
Man geni
New York City, New York, USA
A elwir hefyd yn
—
Liam O'Brien
Adnabyddus am
Rolau actio
| Blwyddyn | Ffilm / Rhaglen teledu / Arall | Rôl |
|---|---|---|
| 1980 | Gideon's Trumpet | Supreme Court Justice |
Credydau
| Blwyddyn | Ffilm / Rhaglen teledu / Arall | Rôl |
|---|---|---|
| 1984 | Miami Vice | Producer |
| 1978 | The Awakening Land | Teleplay |
| 1974 | Rex Harrison Presents Stories of Love | Writer |
| 1973 | Police Story | Writer |
| 1973 | Police Story | Producer |
| 1967 | Ironside | Writer |
| 1961 | The Devil at 4 O'Clock | Screenplay |
| 1960 | The Great Impostor | Screenplay |
| 1960 | Johnny Midnight | Teleplay |
| 1960 | Johnny Midnight | Story |
| 1959 | The Remarkable Mr. Pennypacker | Theatre Play |
| 1956 | Trapeze | Adaptation |
| 1954 | Young at Heart | Writer |
| 1952 | Diplomatic Courier | Screenplay |
| 1951 | Here Comes the Groom | Story |
| 1951 | Here Comes the Groom | Screenplay |
| 1951 | The Redhead and The Cowboy | Screenplay |
| 1951 | Of Men and Music | Writer |
| 1950 | Chain Lightning | Screenplay |