Season Regulars 7

1. 

   Donnie Wahlberg

   Detective Joel Stevens

2. 

   Neal McDonough

   Assistant District Attorney David McNorris

3. 

   Mykelti Williamson

   Police Department Detective II Bobby 'Fearless' Smith

4. 

   Gary Basaraba

   Police Department Police Officer III Ray Hechler

5. 

   Nina Garbiras

   Andrea Little, a reporter (season one)

6. 

   Lana Parrilla

   Teresa Ortiz, paramedic in season one, rookie police officer in season two

7. 

   Jason Gedrick

   Police Department Police Officer II Tom Turcotte

Guest Stars 7

1. 

   Chris Gartin

   Jonny Rand

2. 

   Matt Craven

   Dr. Michael Hirsch

3. 

   Sheeri Rappaport

   Janice Edwards

4. 

   Megan Ward

   Kelly Stevens

5. 

   David Proval

   Paul Turcotte

6. 

   Dorian Harewood

   Captain Ronald Hicks

7. 

   Beth Grant

   Landlady

Crew 0

There are no crew records added to Lost Child.