Stars who forgot their most iconic roles

John Stamos, Brie Larson, Michael J. Fox, Sarah Hyland, Colin Farrell, Frankie Muniz, Courteney Cox, Matthew Perry, Lisa Kudrow, John Boyega, Raven-Symoné, Avan Jogia, Ethan Embry

It's easy to think that actors in movies or on a long-running TV show would have tons of memories of their time filming. However, while this can be true to some extent, there are a number of actors who have absolutely no memory of filming their most famous roles! Some don't remember the plot, being on set, or even the lines!

There are different reasons for this memory loss; in some cases it's due to a health issue, in others it's due to substance abuse. Then there are some actors who simply say they have a bad memory!

Curious? Click on to discover the stars who don't remember filming some of their most iconic roles.

John Stamos

John Stamos, Brie Larson, Michael J. Fox, Sarah Hyland, Colin Farrell, Frankie Muniz, Courteney Cox, Matthew Perry, Lisa Kudrow, John Boyega, Raven-Symoné, Avan Jogia, Ethan Embry

In October 2023, John Stamos appeared on 'The Howard Stern Show' to promote his new memoir, 'If You Would Have Told Me.' He revealed that his alcoholism got so bad around 2015 that he doesn't remember being on set to film 'My Big Fat Greek Wedding 2.'

Brie Larson

John Stamos, Brie Larson, Michael J. Fox, Sarah Hyland, Colin Farrell, Frankie Muniz, Courteney Cox, Matthew Perry, Lisa Kudrow, John Boyega, Raven-Symoné, Avan Jogia, Ethan Embry

Brie Larson won an Academy Award for her performance in 'Room'(2015), but there's one emotionally wrenching scene she has no memory of filming.

Michael J. Fox

John Stamos, Brie Larson, Michael J. Fox, Sarah Hyland, Colin Farrell, Frankie Muniz, Courteney Cox, Matthew Perry, Lisa Kudrow, John Boyega, Raven-Symoné, Avan Jogia, Ethan Embry

Best known for playing Marty McFly in 'Back to the Future' (1985), Michael J. Fox has hardly any memory of filming the legendary movie.

Sarah Hyland

John Stamos, Brie Larson, Michael J. Fox, Sarah Hyland, Colin Farrell, Frankie Muniz, Courteney Cox, Matthew Perry, Lisa Kudrow, John Boyega, Raven-Symoné, Avan Jogia, Ethan Embry

Best known for playing Haley Dunphy on 'Modern Family,' Sarah Hyland has opened up about how her health challenges impacted her experience working on the show.

John Stamos, Brie Larson, Michael J. Fox, Sarah Hyland, Colin Farrell, Frankie Muniz, Courteney Cox, Matthew Perry, Lisa Kudrow, John Boyega, Raven-Symoné, Avan Jogia, Ethan Embry

Hyland, who has a chronic kidney condition called kidney dysplasia, has had two kidney transplants. Because of this, she doesn't remember filming some of 'Modern Family.' On the podcast 'Quitters,' she explained that she was "exhausted" and "dead asleep" while preparing for her first kidney transplant, while working on the show.

Colin Farrell

John Stamos, Brie Larson, Michael J. Fox, Sarah Hyland, Colin Farrell, Frankie Muniz, Courteney Cox, Matthew Perry, Lisa Kudrow, John Boyega, Raven-Symoné, Avan Jogia, Ethan Embry

The Irish actor revealed that he has no memories of making 'Miami Vice' (2006). It was the last film he made while still using drugs and alcohol.

Frankie Muniz

John Stamos, Brie Larson, Michael J. Fox, Sarah Hyland, Colin Farrell, Frankie Muniz, Courteney Cox, Matthew Perry, Lisa Kudrow, John Boyega, Raven-Symoné, Avan Jogia, Ethan Embry

Frankie Muniz started playing Malcolm on 'Malcolm in the Middle' at the age of 15, and wrapped it up at 20. However, he remembers almost nothing of filming the popular sitcom. On top of that, he doesn't even remember being nominated for an Emmy in 2001, or even attending the ceremony.

Courteney Cox

John Stamos, Brie Larson, Michael J. Fox, Sarah Hyland, Colin Farrell, Frankie Muniz, Courteney Cox, Matthew Perry, Lisa Kudrow, John Boyega, Raven-Symoné, Avan Jogia, Ethan Embry

The actress behind Monica Geller struggles to remember much of the filming of 'Friends.' She simply blames having a bad memory.

Matthew Perry

John Stamos, Brie Larson, Michael J. Fox, Sarah Hyland, Colin Farrell, Frankie Muniz, Courteney Cox, Matthew Perry, Lisa Kudrow, John Boyega, Raven-Symoné, Avan Jogia, Ethan Embry

Matthew Perry also revealed that he had a hard time remembering parts of filming 'Friends.' But in his case, it's because he was dealing with addiction issues at the time.

Lisa Kudrow

John Stamos, Brie Larson, Michael J. Fox, Sarah Hyland, Colin Farrell, Frankie Muniz, Courteney Cox, Matthew Perry, Lisa Kudrow, John Boyega, Raven-Symoné, Avan Jogia, Ethan Embry

In 2022, while appearing on 'Watch What Happens Live with Andy Cohen,' Lisa Kudrow admitted she also didn't remember much about filming 'Friends.'

John Boyega

John Stamos, Brie Larson, Michael J. Fox, Sarah Hyland, Colin Farrell, Frankie Muniz, Courteney Cox, Matthew Perry, Lisa Kudrow, John Boyega, Raven-Symoné, Avan Jogia, Ethan Embry

John Boyega won the 2020 Golden Globe for Best Supporting Actor for his role in the series 'Small Axe.' However, there's a key scene he doesn't remember filming.

Raven-Symoné

John Stamos, Brie Larson, Michael J. Fox, Sarah Hyland, Colin Farrell, Frankie Muniz, Courteney Cox, Matthew Perry, Lisa Kudrow, John Boyega, Raven-Symoné, Avan Jogia, Ethan Embry

Between the ages of four to six, Raven-Symoné played Olivia on 'The Cosby Show.' However, she has no memories of filming the show, which she's trying to figure out why in therapy.

Avan Jogia

John Stamos, Brie Larson, Michael J. Fox, Sarah Hyland, Colin Farrell, Frankie Muniz, Courteney Cox, Matthew Perry, Lisa Kudrow, John Boyega, Raven-Symoné, Avan Jogia, Ethan Embry

Avan Jogia, who played Beck Oliver on Nickelodeon's 'Victorious,' revealed on TikTok that he doesn't remember filming the show.

Ethan Embry

John Stamos, Brie Larson, Michael J. Fox, Sarah Hyland, Colin Farrell, Frankie Muniz, Courteney Cox, Matthew Perry, Lisa Kudrow, John Boyega, Raven-Symoné, Avan Jogia, Ethan Embry

Ethan Embry was so stoned while filming 'Can't Hardly Wait' that he doesn't remember anything about the movie.