United Kingdom, Aug. 21 -- Chase Stokes saved Madison Bailey's life on the set of Outer Banks.

The pair were filming a scene under water when the 33-year-old actor had to come to the aid of his co-star after she "almost drowned multiple times" during the terrifying incident.

Chase recalled to Entertainment Weekly: "We were in Barbados and there's a scene when JJ gets knocked off of a boat and he's unconscious in the water and Kiara's holding him up.

"I realised that I couldn't see Bails' face anymore."

Madison noted: "We were treading water for like a minute before they called action.

Chase continued: "It was really hard to communicate with anyone, so I was like, 'Oh no, Bails has been under there for a while,' so I jumped off the bo...