影片改编自风靡全球的同名绘本系列，肖恩·蒙德兹献声演唱鳄鱼莱莱。 故事讲述了小男孩乔什·普利姆跟随父母举家搬进大城市的新居，和一只住在阁楼上、能舞会唱的鳄鱼成为好朋友的奇遇故事。自带欢乐属性的鳄鱼莱莱治愈了难以适应新环境的乔什，乔什也努力消除父母对莱莱的偏见。两小只开启前所未有的都市历险，历经重重欢乐闹剧，莱莱与普利姆一家最终成为了彼此的家人与伙伴。
导演: Josh Gordon /
Will Speck
演员: Winslow Fegley
/ Javier Bardem
/ 吴恬敏
/ Winslow Fegley
/ Scoot McNairy
/ Brett Gelman
/ Shawn Mendes
/ Ego Nwodim
/ Lyric Hurd
/ Jason Kravits
/ Matt Rogers
/ Ben Palacios
/ Sal Viscuso
/ Don DiPetta
/ Joshua Vasquez
/ Yussie Jupiter
/ Marc Farley
/ Mac Wells
/ Sal Viscuso
/ Lindsey Moser
/ Adam Murray
/ Melisa Lopez
/ Mary Neely
/ Chloe Camp
/ Joe Gulla
/ Matthew Risch
/ Elijahawon Perrin
/ Niquitta S. Wolfe
/ Clayton English
/ Zeb Slone
/ Jef Holbrook
/ Matthew Wilkas
/ Lauren Boyd
/ Reif Howey
/ Evangeline Miller
/ Jene Moore
/ Chance Mizell
/ Christine Moon
/ Angela Davis
/ Kathryn Orlando
/ Caden Brillantes
/ Kyson Galligan
/ Alton Williams
/ Thomas Williams
/ Irving Thigpen
/ Matt Rogers
/ Eric Rutherford
/ Eboni Nichols
/ Taylor James
/ Donnie Cormier
/ Rick Pearson
/ Al Thompson
