January[]
- 15 January
- Chad Lowe is born.
February[]
- 13 February
- Kelly Hu is born.
- 22 February
- Jeri Ryan is born.
March[]
- 14 March
- Megan Follows is born.
- James Frain is born.
April[]
- 8 April
- Patricia Arquette is born.
- 10 April
- Orlando Jones is born.
- 12 April
- Alicia Coppola is born.
- 17 April
- Traci Godfrey is born.
May[]
- 3 May
- Amy Ryan is born.
- 10 May
- Erik Palladino is born.
- 11 May
- Jeffrey Donovan is born.
- 23 May
- John Ortiz is born.
June[]
- 2 June
- Navid Negahban is born.
- 3 June
- Karl Kenzler is born.
- 10 June
- Bill Burr is born.
- 14 June
- Stephen Wallem is born.
- 29 June
- Brian d'Arcy James is born.
July[]
- 7 July
- Amy Carlson is born.
- Jorja Fox is born.
August[]
- 11 August
- Anna Gunn is born.
- 14 August
- Catherine Bell is born.
- 17 August
- Orlagh Cassidy is born.
- 25 August
- David Alan Basche is born.
September[]
- 2 September
- Cynthia Watros is born.
- 17 September
- Lord Jamar is born.
- 26 September
- Ben Shenkman is born.
- 28 September
- Sidné Anderson is born.
October[]
- 2 October
- Joey Slotnick is born.
- 16 October
- Todd Stashwick is born.
November[]
- 24 November
- Kevin Breznahan is born.
- 25 November
- Jill Hennessy is born.
- 27 November
- Dina Pearlman is born.
December[]
- 2 December
- Lucy Liu is born.
- 5 December
- Margaret Cho is born.
- 14 December
- Noelle Beck is born.
1968 in the Law & Order Universe[]
February[]
- 7 February
- Captain Olivia Benson is born.
October[]
- 20 October
- Undercover officer Daniel Bernstein, from Special Squad 3, is murdered by Kensington University security guard Darryl Grady, who puts Bernstein's body in his own VW bus and pushes it into the Hudson River, where it goes undetected for nearly 30 years. (L&O: "Ramparts")
| 1967 | Production timeline | 1969 |