The Handmaid Tales’ Mckenna Grace, 18, and How to Train Your Dragon’s Mason Thames, 17, are playing love interests in the film adaptation of Colleen Hoover’s Regretting You, but their off ...

The Handmaid Tales’ Mckenna Grace, 18, and How to Train Your Dragon ’s Mason Thames, 17, are playing love interests in the film adaptation of Colleen Hoover’s Regretting You, but their off ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." The Handmaid Tales’ Mckenna Grace, 18, and How to Train Your Dragon ’s Mason Thames, 17, are playing love ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." The Handmaid Tales’ Mckenna Grace, 18, and How to Train Your Dragon ’s Mason Thames, 17, are playing love ...

A child ballet dancer and model, Thames made his screen debut at age 11 in For All Mankind; he also stars, alongside Mckenna Grace, in the upcoming films Regretting You and New Year’s Rev.

He also just finished filming the drama “Regretting You” (Oct. 24), based on Colleen Hoover’s best-selling novel and costarring Allison Williams, Mckenna Grace and Dave Franco.

He also just finished filming the drama “Regretting You” (Oct. 24), based on Colleen Hoover’s best-selling novel and costarring Allison Williams, Mckenna Grace and Dave Franco.