Comedy Movies News Slider Videos VACATION trailer Written by Lena Lamoray on May 8, 2015 The Griswolds are back. What could go wrong? VACATION, starring Ed Helms, Christina Applegate, and Chris Hemsworth is in theaters July 29th. Related posts:Chris Hemsworth highlights from 'Saturday Night Live'ANGIE TRIBECA ReviewChris Hemsworth talks to Jay Leno about 'Rush' and Australian soap operas