In Sharks Up Close with Bertie Gregory, Bertie Gregory heads to South Africa for his most dangerous mission yet: diving ...

Gregory is taking the risk because it’s the best way to see the ocean’s celebrity predators behaving naturally as they hunt ...

Although sharks aren’t the mindless man-eaters they are sometimes made out to be, experts know that staying safe involves ...

Although sharks aren’t the mindless man-eaters they are sometimes made out to be, experts know that staying safe involves ...

As a wildlife filmmaker, Bertie Gregory is always ready for a challenge. But his adventurous streak leads him to unimaginable ...

Bertie Gregory is a wildlife filmmaker who is no stranger to putting himself in harm's way in the name of his craft - and his ...

Gregory is taking the risk because it’s the best way to see the ocean’s celebrity predators behaving naturally as they hunt ...

Patience is a crucial virtue for a cinematographer — in particular for underwater cameraman Dan Beecham. Beecham was part of a team of divers and cinematographers who followed National Geographic ...

Sharks Up Close With Bertie Gregory, Premiere, Saturday, July 5, 8/7c, National Geographic This article first appeared on TV Insider and was syndicated with permission.

Filmmaker's new doc 'Sharks Up Close With Bertie Gregory' premieres July 5.