Milo Ventimiglia: Leighton Meester's Brother in 'I Hate You Dad'!

Milo Ventimiglia has joined the cast of the upcoming comedy I Hate You Dad, according to Variety.

The film is about a “father (Adam Sandler) who moves in with his son (Andy Samberg) and his fiancée (Leighton Meester) on the eve of their wedding, only to immediately start feuding with the bride-to-be.”

Susan Sarandon also joined the film as Adam‘s sexy teacher who slept with him when he was a teenager and wound up giving birth to Andy‘s character.

Milo plays “a menacing Iraq War veteran who has an overly loving relationship with Leighton, who plays his sister.”

I Hate You Dad is scheduled for release on June 15, 2012.