Sydney Vonn

Full name

Sydney Vonn

Nickname

Captain Vonn

Biographical information

Gender

Male

Ethnicity

Female

Hair Color

Blonde

Eyes

Brown

Status

Alive

Career information

Occupation

State Police Captain

Affiliation

Internal Affairs

Department

Illinois State Troopers

Series information

Episode
Untouchable

Portrayed by

Amy Sloan

Captain Sydney Vonn is an Illinois State Police Captain working in the Internal Affairs helping Severide and Pascal in bringing down Captain Robert Bishop who was suspected of arson and gun running.