Gerard Butler
The film went into production in October 2011 around Half Moon Bay and Santa Cruz, California. On December 19, Gerard Butler was hospitalized briefly after being injured during a surfing stunt. Gerard Butler was mentored by big-wave surfer Grant Washburn. Michael Apted received director credit alongside Curtis Hanson after he took over as director during the last 15 days of principal photography, while Hanson recovered from complications arising from recent heart surgery.