January[]
- 6 January
- Scott Bryce is born.
- 26 January
- Jim Frangione is born.
- 27 January
- Susanna Thompson is born.
February[]
- 16 February
- Ice-T is born.
- 21 February
- Denise Dowse is born.
- 24 February
- Mark Moses is born.
March[]
- 10 March
- Sharon Stone is born.
April[]
- 3 April
- Alec Baldwin is born.
- 15 April
- John Dossett is born.
- 17 April
- Peter Marx is born.
May[]
- 20 May
- Judy Kuhn is born.
- 26 May
- Margaret Colin is born.
- 29 May
- Wayne Duvall is born.
- 31 May
- Roma Maffia is born.
June[]
July[]
- 30 July
- Richard Burgi is born.
August[]
- 7 August
- Shannon Cochran is born.
- 18 August
- Reg E. Cathey is born.
- 25 August
- Michael Genet is born.
September[]
- 3 September
- Steve Schirripa is born.
- 12 September
- Gregg Edelman is born.
October[]
- 4 October
- Wendy Makkena is born.
- 7 October
- Frank Deal is born.
- 17 October
- Mary Elizabeth Mastrantonio is born.
November[]
- 1 November
- Rachel Ticotin is born.
- 5 November
- Robert Patrick is born.
- 29 November
- Kim Delaney is born.
December[]
- 31 December
- Bebe Neuwirth is born.
1958 in the Law & Order universe[]
July[]
- 11 July
- Detective Mike Logan is born.
| 1957 | Production timeline | 1959 |