Directing
John F. Showalter
Explore John F. Showalter's filmography, known works, and frequent collaborators.
DirectorCo-Executive Producer
Known for
Viewing momentSupernatural
Viewing momentTimeless
Viewing momentRevolution
Viewing momentForever
Viewing momentAlphas
Viewing momentConstantine
Viewing momentThreshold
Viewing momentThe Winchesters
Viewing momentFrequency
Viewing momentViva Laughlin
