John Krasinski John Hollar Director, Actor, Producer Margo Martindale Sally Hollar Actor Sharlto Copley Ron Hollar Actor Richard Jenkins Don Hollar Actor Anna Kendrick Rebecca Actor Charlie Day Jason Actor Josh Groban Rev. Dan Actor Randall Park Dr. Fong Actor Mary Elizabeth Winstead Gwen Actor Mary Kay Place Pam Actor Ashley Dyke Stacey Actor Didi Costine Matilda Actor Isabela Costine Constance Actor James C. Strouse Screenwriter, Executive Producer Tom Rice Producer Allyson Seeger Producer Ben Nearn Producer Michael London Executive Producer Janice Williams Executive Producer Mike Sablone Executive Producer Eric Alan Edwards Cinematographer Heather Persons Film Editing Josh Ritter Original Music Daniel B. Clancy Production Design Gretchen Gattuso Set Decoration Caroline Eselin Costume Design