| Michael Fox | Marty McFly,Marlene McFly |
| Christopher Lloyd | Dr. Emmett Brown |
| Lea Thompson | Lorraine |
| Thomas F. Wilson | Biff Tannen/Griff |
| Harry Waters | Marvin Berry |
| Charles Fleischer | Terry |
| Elisabeth Shue | Jennifer |
| Flea | Needles |
| James Tolkan | Strickland |
| Jeffrey Weissman | George McFly |
| Crispin Glover | George McFly in footage from BACK TO THE FUTURE, 1955 |
| Casey Siemaszko | 3-D |
| Billy Zane | Match |
| J.J. Cohen | Skinhead |
| Casanova E. Evans | Michael Jackson |
| Charles F. Fitzsimmons | Biff Photo Double |
| Freddie | Einstein |
| Lloyd L. Tolbert | Starlighter [1955] |
| Stephanie E. Williams | Officer Foley |
| Granville "Danny" Young | Starlighter |
| Jay Koch | Ronald Reagan |
| Charles Gherardi | Ayatollah Khomeini |
| Rick Logan | Data [2015] |
| Darlene Vogel | Spike |
| Jason Scott Lee | Whitey |
| Elijah Wood | Video Game Boy, Mickey |
| John Thornton | Video Game Boy |
| Theo Schwartz | Hoverboard Girl |
| Lindsey Barry | Hoverboard Girl |
| Judy Ovitz | Anitque Store Saleswoman [2015] |
| Marty Levy | Cab Driver |
| James Ishida | Fujitsu |
| Nikki Birdsong | Loretta |
| White | Dad |
| Junior Fann | Mom |
| Shaun Hunter | Harold |
| George "Buck" Flower | Bum |
| Neil Ross | Museum Narrator |
| Tamara Carrera | Jacuzzi Girl |
| Tracy D'Aldia | Jacuzzi Girl |
| Jennifer Brown | Baseball Kid |
| Irina Cashen | Baseball Kid |
| Angela Greenblatt | Baseball Kid |
| Cameron Moore | Baseball Kid |
| Justin Mosley Spink | Baseball Kid |
| Lisa Freeman | Babs |
| John Erwin | Radio Sportscaster |
| David Harold Brown | Starlighter |
| Tommy Thomas | Starlighter |
| Wesley Mann | CPR Kid |
| Joe Flaherty | Western Union Man |
| Kevin Holloway | Marty Photo Double |
Technical Credits
| Robert Zemeckis | Director,Original Story,Screenwriter |
| Arthur Schmidt | Editor |
| Tony Brubaker | Stunts |
| Neil Canton | Co-producer |
| Rick Carter | Production Designer |
| Ken Chase | Makeup |
| Charlie Croughwell | Stunts |
| Dean Cundey | Cinematographer |
| Linda de Scenna | Set Decoration/Design |
| Greg W. Elam | Stunts |
| Don Elliott | Special Effects |
| William Elliott | Art Director |
| Mike Fenton | Casting |
| Bob Gale | Co-producer,Original Story,Screenwriter |
| Brad Jeffries | Choreography |
| Joanna Johnston | Costumes/Costume Designer |
| Martha Johnston | Set Decoration/Design |
| Kathleen Kennedy | Executive Producer |
| Harry Keramidas | Editor |
| Karen Laine | Stunts |
| Michael Lantieri | Special Effects |
| Frank Marshall | Executive Producer |
| Valorie Massalas | Casting |
| Marjorie Stone McShirley | Art Director |
| Gary Morgan | Stunts |
| Ken Ralston | Special Effects |
| Patrick Romano | Stunts |
| John-Clay Scott | Stunts |
| Walter Scott | Stunts |
| Alan Silvestri | Score Composer |
| Steven Spielberg | Executive Producer |
| Steve Starkey | Associate Producer |
| Raymond Stella | Camera Operator |
| Wes Takahashi | Animator |
| Judy Taylor | Casting |
| R.L. Tolbert | Stunts |