The Millie/Tim hybrid is played by Alison Brie, but you can be forgiven if you don’t recognize her at all. In addition to extensive makeup work on set that saw parts of Dave Franco’s visage applied to the actresses, there were also visual effects employed that changed the shape of her face to be more like her co-star’s/husband’s. Shanks explained,

Dave Franco and Alison Brie, who are costarring in 'Together,' met in 2011 and married in 2017. Here's everything to know about Dave Franco and Alison Brie's relationship.