Cast and credits of The First 48

Dion Graham
Narrator / ... 419 episodes, 2004-2020

Fernando Bosch
Self - Det., Miami Homicide / ... 28 episodes, 2004-2013

Caroline Mason
Self - Sgt., Memphis Homicide / ... 27 episodes, 2006-2014

Tony Mullins
Self - Sgt., Memphis Homicide / ... 26 episodes, 2005-2014

Toney Armstrong
Self - Lt., Memphis Homicide / ... 18 episodes, 2006-2014

Eddie Ibarra
Self - Det., Dallas Homicide / ... 18 episodes, 2006-2009

Marcel Walker
Self - Det., Birmingham Homicide / ... 8 episodes, 2009-2010

Andrew Kelly
Self - Senior Dep., Harris County Homicide 2 episodes, 2010

Mariline Nelson
Self - Det., Miami Homicide 1 episode, 2005

Erika Longo
Shannon Kennedy 1 episode, 2016