Grainne O'Sullivan is known for So You Think You Can Dance (2005), The Masked Singer (2019) and The X Factor (2011).

Make your IMDb page stand out by adding a demo reel

The staff at IMDb is celebrating the end of a great year of TV with a look back at our favorites from 2025.

IMDb Staff's Favorite Series of 2025

See what [i][link=/title/tt0488658/]Unaccompanied Minors[/link][/i] star [link=/name/nm1927701/]Tyler James Williams[/link] and other holiday-movie stars look like now.

Holiday Movie Stars Then and Now

See what <em><a class="ipc-md-link" href="/title/tt0488658/?ref_=nm_eds_right-7_lk">Unaccompanied Minors</a></em> star <a class="ipc-md-link" href="/name/nm1927701/?ref_=nm_eds_right-7_lk">Tyler James Williams</a> and other holiday-movie stars look like now.

Cat Deeley, Matthew Morrison, Stephen Boss, and JoJo Siwa in So You Think You Can Dance (2005)

Grainne O'Sullivan(I)

Known for

Credits

Costume and Wardrobe Department

Costume Designer

Actress

Contribute to this page

More to explore

Recently viewed