Will Ferrell nearly killed Zack Galifianakis Zach and Will Tue-31-Jul-12 16:57 Share this WILL FERRELL nearly killed his THE CAMPAIGN co-star ZACH GALIFIANAKIS by putting nuts in his breakfast burrito. The Hangover funnyman, who suffers from a serious nut allergy, was treated by an on-set medic and luckily made a full recovery. During an interview with U.S. TV host Jon Stewart, Ferrell explained, "We had a lot of fun. There were a lot of pranks we pulled on each other... Zac has a nut allergy... and so I had the craft service guy put some walnuts in his breakfast burrito and his throat closed up, to the point where they were like, 'Someone call a doctor... no seriously, someone call a doctor!'" "And the EMTs (Emergency Medical Technicians) came and they said, 'If had been five minutes later, he would have died.'"WENN.com You May Also Like Will Ferrell talks to Sharyn & Guy Anchorman 2 - new trailer released! Will Ferrell & John C. Reilly are teaming up again! Become a fan of The Edge on Facebook and on Twitter .