Cuckoo pits Hollywood stalwart Andy Samberg against British comedy giant Greg Davies Ken and Lorna Thomas' daughter Rachel has returned from her gap year with a new husband, Cuckoo - self-appointed spiritual ninja. He is every parent's worst nightmare - a slacker full of outlandish, New Age ideas. Ken and Lorna have no choice but to welcome him into their family home - and if every Englishman's home is his castle, then this hippie has stormed Ken's fortress and plundered everything, most unforgivably, his princess.