Sarah Drew as Jess Waters

Brennan Elliott as Mark Olson

Alina Fritsch as Tori Voight

Stefan Gorski as Vincent

Oskar Ricketts as Julian Olson

Allegra Tinnefeld as Summer Olson

Abigail Vollnhofer as Isla Olson

Tina von Carlowitz as Lena Huber

Jerry Kwarteng as Reporter

Gerda Jahn as Mistletoe Lady

Wolfram Hermann-Hubler as St. Nikolaus

Alexander Keller as Mayor

Anna Starzinger as Cello Player

Grace VanderWaal as Performer (uncredited)