He was known for his performances in 'It's Always Sunny In Philadelphia' and 'The Waltons'
The actor is living with frontotemporal dementia
It comes amid her father's ongoing struggles with dementia
“Holidays are hard. Anniversaries are hard"
Including fan favourites, 'Love Actually' and 'Elf'
Rumer Willis shared a post about her father on Instagram
The 'Die Hard' star was diagnosed with frontotemporal dementia earlier this year.
'Moonlighting' creator Glenn Gordon Caron shared an update on the actor's health
Emma Heming said it’s “hard to know” whether the actor is aware of his illness
The revelation comes after the news that Tarantino reportedly wants to give Willis his last-ever film appearance