John Billingsley (/ˈbɪlɪŋɡzli/, born May 20, 1960) is an American actor best known for his role as Doctor Phlox on the television series Star Trek: Enterprise.

Early life and education
Billingsley was born in Media, Pennsylvania, and subsequently lived in Huntsville, Alabama and Slidell, Louisiana before his family settled in Weston, Connecticut. He graduated from Bennington College in 1982.