Alexander Koch

TV Actor

Birthday February 24, 1988

Birth Sign Pisces

Birthplace Grosse Point Bark, MI

Age 35 years old

#78769 Most Popular


Television actor who played the role of Junior Rennie on CBS's Stephen King teledrama Under the Dome.

Before Fame

He was inspired to act when, as a child, he attended multiple Detroit-area court trials in which his father, Joseph Koch, served as a criminal prosecutor.


He said in an interview that he prepared for acting roles by finding music that each of his characters would listen to.

Family Life

He was born to Joya and Joseph Koch. He grew up with two older sisters in a German-American family in Grosse Pointe Park, Michigan.

Associated With

He starred alongside Mike Vogel in Under the Dome.