| Michael J. Fox | Marty McFly/Marty McFly Jr/Marlene McFly |
| Christopher Lloyd | Dr. Emmett Brown |
| Lea Thompson | Lorraine Baines/McFly/Tannen |
| Thomas F. Wilson | Biff Tannen/Griff Tannen |
| Elisabeth Shue | Jennifer Parker/McFly |
| James Tolkan | Mr. Strickland |
| Jeffrey Weissman | George McFly |
| Casey Siemaszko | 3-D |
| Billy Zane | Match |
| J.J. Cohen | Skinhead |
| Charles Fleischer | Terry |
| E. Casanova Evans | 'Michael Jackson' Video Waiter |
| Jay Koch | 'Ronald Reagan' Video Waiter |
| Charles Gherardi | 'Ayatollah Khomeini' Video Waiter |
| Ricky Dean Logan | Data |
| Darlene Vogel | Spike |
| Jason Scott Lee | Whitey |
| Elijah Wood | Video Game Boy #1 |
| John Thornton | Video Game Boy #2 |
| Theo Schwartz | Hoverboard Girl #1 |
| Lindsey Barry | Hoverboard Girl #2 |
| Judy Ovitz | Antique Store Saleswoman |
| Stephanie Williams | Officer Foley |
| Marty Levy | Cab Driver |
| Flea | Douglas J Needles |
| Jim Ishida | Iko 'Jitz' Fujitsu |
| Nikki Birdsong | Loretta |
| Al White | Dad |
| Junior Fann | Mom |
| Shaun Hunter | Harold |
| George 'Buck' Flower | Red the Bum |
| Neil Ross | Biff Tannen Museum Narrator |
| Tamara Carrera | Jacuzzi Girl #1 |
| Tracy Dali | Jacuzzi Girl #2 |
| Jennifer Brown | Basketball Kid #1 |
| Irina Cashen | Basketball Kid #2 |
| Angela Greenblatt | Basketball Kid #3 |
| Cameron Moore | Basketball Kid #4 |
| Justin Mosley Spink | Basketball Kid #5 |
| Lisa Freeman | Babs |
| John Erwin | Radio Sportscaster |
| Harry Waters Jr | .Marvin Berry |
| David Harold Brown | Starlighter |
| Tommy Thomas | Starlighter |
| Lloyd L. Tolbert | Starlighter |
| Granville 'Danny' Young | Starlighter |
| Wesley Mann | CPR Kid ('Wallet Guy') |
| Joe Flaherty | Western Union Man |
| Crispin Glover | George McFly |
| Sean Michael Fish | King Neptune |
| Freddie | Einstein |
| Donald Fullilove | Goldie Wilson III |
| Marc McClure | Dave McFly |
| Mary Ellen Trainor | Officer Reese |
| Michael J. Fox | Marty McFly |
| Christopher Lloyd | Dr. Emmett Brown |
| Lea Thompson | Lorraine Baines McFly |
| Crispin Glover | George McFly |
| Thomas F. Wilson | Biff Tannen |
| Claudia Wells | Jennifer Parker |
| Marc McClure | Dave McFly |
| Wendie Jo Sperber | Linda McFly |
| George DiCenzo | Sam Baines |
| Frances Lee McCain | Stella Baines |
| James Tolkan | Mr. Strickland |
| J.J. Cohen | Skinhead |
| Casey Siemaszko | 3-D |
| Billy Zane | Match |
| Harry Waters Jr | .Marvin Berry |
| Donald Fullilove | Goldie Wilson |
| Lisa Freeman | Babs |
| Cristen Kauffman | Betty |
| Elsa Raven | Clocktower Woman |
| Will Hare | Old Man Peabody |
| Ivy Bethune | Ma Peabody |
| Jason Marin | Sherman Peabody |
| Katherine Britton | Daughter Peabody |
| Jason Hervey | Milton Baines |
| Maia Brewton | Sally Baines |
| Courtney Gains | Mark Dixon |
| Richard L. Duran | Libyan Terrorist |
| Jeff O'Haco | Libyan Van Driver |
| Johnny Green | Scooter Kid #1 |
| Jamie Abbott | Scooter Kid #2 |
| Norman Alden | Lou Curruthers |
| Read Morgan | Hill Valley Cop |
| Sachi Parker | Bystander #1 |
| Robert Krantz | Bystander #2 |
| Gary Riley | Guy #1 |
| Karen Petrasek | Girl #1 |
| George 'Buck' Flower | Red the Bum |
| Tommy Thomas | Starlighter |
| Granville 'Danny' Young | Starlighter |
| David Harold Brown | Starlighter |
| Lloyd L. Tolbert | Starlighter |
| Paul Hanson | Pinhead Guitarist |
| Lee Brownfield | Pinhead |
| Robert DeLapp | Pinhead |
| Christopher Cundey | Lorraine's Classmate |
| Huey Lewis | High-School Band Audition Judge |
| Tom Tangen | Student |
| Charles L. Campbell | 1955 Radio Announcer |
| Deborah Harmon | TV Newscaster |
| Michael J. Fox | Marty McFly/Seamus McFly |
| Christopher Lloyd | Dr. Emmett Brown |
| Mary Steenburgen | Clara Clayton |
| Thomas F. Wilson | Buford 'Mad Dog' Tannen/Biff Tannen |
| Lea Thompson | Maggie McFly/Lorraine McFly |
| Elisabeth Shue | Jennifer Parker |
| James Tolkan | Chief Marshal James Strickland |
| Matt Clark | Chester the Bartender |
| Dub Taylor | Saloon Old-Timer #1 |
| Harry Carey Jr | .Saloon Old-Timer #2 |
| Pat Buttram | Saloon Old-Timer #3 |
| Christopher Wynne | Buford's Gang Member #1/Needles' Gang Member #1 |
| Sean Gregory Sullivan | Buford's Gang Member #2 |
| Mike Watson | Buford's Gang Member #3 |
| Marc McClure | Dave McFly |
| Wendie Jo Sperber | Linda McFly |
| Jeffrey Weissman | George McFly |
| Flea | Douglas J. Needles |
| Todd Cameron Brown | Jules Brown |
| Dannel Evans | Verne Brown |
| Hugh Gillin | Mayor Hubert |
| Burton Gilliam | Colt Gun Salesman |
| Richard A. Dysart | Barbed-Wire Salesman |
| Bill McKinney | Engineer |
| Donovan Scott | Strickland's Deputy |
| J.J. Cohen | Needles' Gang Member #2 |
| Ricky Dean Logan | Needles' Gang Member #3 |
| Marvin J. McIntyre | Undertaker |
| Kaleb Henley | Marshal Strickland's son |
| Leslie A. Prickett | Celebration man |
| Dean Cundey | Photographer |
| Jo B. Cummings | Pie lady |
| James A. Rammel | Festival dance caller |
| Brad McPeters | Eyepatch |
| Phinnaes D | .Toothless |
| Rod Kuehne | Ticket agent |
| Leno Fletcher | Conductor |
| Larry Ingold | Train fireman |
| Joey Newington | Joey (Palace Saloon employee) |
| Glenn Fox | Boy holding Marty's gun |
| Tim Konrad | Barbed-wire salesman's companion |
| Michael Klastorin | Townsman #1 |
| Michael John Mills | Townsman #2 |
| Kenny Myers | Townsman #3 |
| Steve McArthur | Festival man #1 |
| John Ickes | Festival man #2 |
| Foster | Copernicus |
| Freddie | Einstein |
| Billy Gibbons | Band member #2 at party |
| Dusty Hill | Band member #3 at party |
| Frank Beard | Band member #1 at party |
| Marion Tumen | Prostitute at Palace Saloon |
| Michael J. Fox | Himself |
| Bob Gale | Himself |
| Robert Zemeckis | Himself |
| Michael J. Fox | Himself |
| Bob Gale | Himself |
| Robert Zemeckis | Himself |
