Justin Baldoni Director, Producer Fin Argus Zach Sobiech Actor Neve Campbell Laura Sobiech Actor Sabrina Carpenter Sammy Brown Actor Madison Iseman Amy Adamle Actor Tom Everett Scott Rob Sobiech Actor Lil Rel Howery Mr. Weaver Actor Summer H. Howell Grace Actor Vivien Endicott Douglas Alli Actor Dylan Everett Sam Actor Jason Mraz Self Tyrone Benskin Doctor Actor Benjamin Eli Eli Actor Aida Yirga Tessa Actor Kara Holden Screenwriter Andrew Lazar Producer Casey La Scala Producer Steve Sarowitz Executive Producer Wendy Williams Executive Producer Ben Kutchins Cinematographer Brett M. Reed Film Editing Brian Tyler Original Music Michele Laliberte Production Design Mathieu Giguère Art Director Simonetta Mariano Costume Design Rich Delia Casting