Miles Teller as Reed Richards / Mr. Fantastic

Michael B. Jordan as Johnny Storm / The Human Torch

Kate Mara as Sue Storm / Invisible Woman

Jamie Bell as Ben Grimm / The Thing

Toby Kebbell as Doctor Victor von Doom

Reg E. Cathey as Dr. Franklin Storm

Tim Blake Nelson as Harvey Elder

Joshua Montes as Quarterback Speech School Kid

Dan Castellaneta as Mr. Kenny

Owen Judge as Young Reed

Kylen Davis as Teasing School Kid

Evan Hannemann as Young Ben

Chet Hanks as Jimmy Grimm

Mary-Pat Green as Mrs. Grimm

Tim Heidecker as Mr. Richards

Mary Rachel Quinn as Mrs. Richards

Wayne Pére as Science Fair Judge #1

Rhonda Johnson Dents as Science Fair Judge #2

Don Yesso as Pentagon General

Jodi Lyn Brockton as Lawyer

Lance E. Nichols as DC Senior Official (Area 57)

Dina Morrone as Emergency Announcer (Area 57)

Ravi Naidu as Ben Scientist #1 (uncredited)

Aaron V. Williamson as Navy Seal (uncredited)

Barney Lanning as Science Fair Plane Kid

Dennis Thomas IV as Baxter Security Guard

Abhi Trivedi as Baxter Employee

Benjamin Papac as Baxter Student

Jim Gleason as Board Member

Gabe Begneaud as Trash Talk Car Driver

Anna R. Parsons as Girl Classmate

Brian Stapf as Reed's Guard (Area 57)

Ben VanderMey as Soldier (Area 57)

Elvin Presley as Drag Race Official

Brittney Alger as Street Race Girl

J.T. Rowland as Monkey Test Lab Technician

Gretchen Koerner as Reed's Scientist (Area 57)

Hunter Burke as Reed's Scientist (Area 57)

Han Soto as Reed's Doctor (Area 57)

Michael Harrity as Military Interrogator (Area 57)

Melissa McCurley as Sue's Doctor (Area 57)

Jane Rumbaua as Johnny's Doctor (Area 57)

Anthony Reynolds as Airplane Military Official (Area 57)

Spence Maughon as Johnny's Technician (Area 57)

Deneen Tyler as DC Military Official (Area 57)

Marco St. John as DC Military Official (Area 57)

Shauna Rappold as Computer Military Tech (Area 57)

Fernando Rivera as Disguised Reed

Juan Corrigan as Barber Shop Owner

Jaylen Moore as Tarmac Guard

Tre Styles as Tarmac Guard

Adam Fristoe as Quantum Gate Scientist (Area 57)

Jackson Pyle as Government Caretaker

Tim Bell as Local Cop (uncredited)

Nicolas Bosc as Rebel (uncredited)

Christopher Heskey as Delta Force Soldier #2 (uncredited)

Nathaniel Holt as Military Tech (uncredited)

Lisa Ann Smith as NYC Passerby (uncredited)

Catherine Kresge as Lab Tech (uncredited)

Samantha Hopkins as Sibling (uncredited)

David Jensen as War Room Soldier (uncredited)

Michael Papajohn as Tank Commander (uncredited)