Britt Robertson and Alexander Koch in Under the Dome (2013)

Marg Helgenberger and Alexander Koch in Under the Dome (2013)

Dean Norris and Alexander Koch in Under the Dome (2013)

Marg Helgenberger, Mike Vogel, Kylie Bunbury, and Alexander Koch in Under the Dome (2013)

Colin Ford and Alexander Koch in Under the Dome (2013)

Mike Vogel and Alexander Koch in Under the Dome (2013)

Eddie Cahill, Mike Vogel, and Alexander Koch in Under the Dome (2013)

Dean Norris, Sherry Stringfield, and Alexander Koch in Under the Dome (2013)

Julia Michaels and Alexander Koch in Julia Michaels: Issues (2017)

Alexander Koch in Julia Michaels: Issues (2017)

Alexander Koch and Paola Lázaro at an event for Black Bear (2020)

Michael Lowry, Lawrence Michael, Caitlin FitzGerald, Sophia Takal, Alexander Koch, and Mackenzie Davis

Michael Lowry, Lawrence Michael, Caitlin FitzGerald, Sophia Takal, Alexander Koch, Mackenzie Davis, and April Alexander

Michael Lowry, Lawrence Michael Levine, Caitlin FitzGerald, Sophia Takal, Alexander Koch, and Mackenzie Davis

Dean Norris and Alexander Koch at an event for Under the Dome (2013)

Eddie Cahill, William Kendall, Rachelle Lefevre, Dean Norris, Mike Vogel, Colin Ford, Aisha Hinds, Max Ehrich, Nicholas Strong, Alexander Koch, and Mackenzie Lintz in Under the Dome (2013)