Shailene Woodley (Hazel Grace Lancaster), Ansel Elgort (Augustus Waters), Nat Wolff (Isaac), Laura Dern (Frannie Lancaster), Sam Trammell (Michael Lancaster), Willem Dafoe (Peter van Houten), Lotte Verbeek (Lidewij Vliegenthart) more..., Mike Birbiglia (Patrick), Ana Dela Cruz (Dr. Maria), Randy Kovitz (Dr. Simmons), Emily Peachey (Monica), David Whalen (Gus' Dad), Milica Govich (Gus' Mom), Allegra Carpenter (Hostess), Toni Saladna (Flight Attendant), Emily Bach (Monica's Mom), Tim Hartman (Minister), Bethany Leo (Speaker #1 (Beth)), Alexis Hodges (Speaker #2 (Angel)), Jean Brassard (Waiter), Carly Otte (Young Girl (Alisa)), Lily Kenna (Young Hazel), Silvio Wolf Busch (European), Viviana Cardenas (Support Group Member (Julie)), Jordan Drexel (Speaker #3 (Sid)), PJ Rossotto (Speaker #4 (PJ)), Tanner Boatwright (Gus's Leg Double), Cheyenne Hurley (Coffee Shop Worker), Jennifer Kline (Giggling Girl), Carol Weyers (Anne Frank (voice)), Lauren Blumenthal (Support Group), Nikki Lipinski (Support Group), Sebastian Dean (Support Group), Alexander Murph (Support Group), Taylor Dettore (Support Group), Josh Potter (Support Group), Steven Edmonds (Support Group), Cindy Zeng (Support Group), C.J. Evans (Support Group), Daniel Booko (Voice Cast) and others.

John Green (Novel), Scott Neustadter (Screenplay), Michael H. Weber (Screenplay), Marty Bowen (Producer), Michelle Imperato (Executive Producer), Robb Sullivan (Editor), Molly Hughes (Production Design) more..., Gregory A. Weimerskirch (Art Direction), Wyck Godfrey (Producer), Ben Richardson (Director of Photography), Mary Claire Hannan (Costume Design), Jenn Albaugh (Art Department Coordinator), Andy Malcolm (Foley), Paul Apted (Sound Editor), Jim Brookshire (Sound Editor), Ronna Kress (Casting), Merissa Lombardo (Set Decoration), Buster Pile (Construction Coordinator), Donna M. Belajac (Casting), Hannah d'Angerio (Casting Associate), Laura Zech (Casting Associate), Alette Kraan (Costume Supervisor), Diane Collins (Costume Supervisor), James Eidel (Set Costumer), Season Kent (Music Supervisor), Luca Kouimelis (Script Supervisor), Dante Ludovici (Camera Operator), Menno Westendorp (Camera Operator), Steve Cohagan (Gaffer), Erno Das (Gaffer), Chris Muchow (Rigging Gaffer), Erwan van Buuren (Steadicam Operator), John S. Moyer (Steadicam Operator), Ramon Engle (Steadicam Operator), Jim Bridges (Still Photographer), David A. Dwyer (Rigging Grip), Raymond M. Tasillo (Special Effects Supervisor), Andrea Atwater (Visual Effects Coordinator), Greg Borkman (Visual Effects Editor), Rebecca Dunn (Visual Effects Producer) and others.