Antonio Dawson is a detective in the Intelligence Unit.
His parents are Camilla and Ramone Dawson.
He has a younger sister, Gabby.
Antonio is 33 years old.
Sienna Roberts is a former Lieutenant in the Rangers. She's the Head of Trauma Surgery at Chicago Medical Center.
Her best friend is Jay Halstead
Her parents died in a car accident. While her little brother survived, he's not in her life anymore.
She's 32 years old.
Lance Roberts
Sienna's younger brother
STARRING ALL CHARACTERS FROM:
CHICAGO PD
CHICAGO MED
&
CHICAGO FIRE