Crews working on Netflix’s Black Mirror are said to be among those briefed on the new guidelines

Films crews working on Netflix programmes have been told not to look at each other for longer than five seconds in a crackdown on inappropriate conduct.

Production staff have also been warned against flirting and giving lingering hugs.

The advice has been drawn up in response to the MeToo scandal, which exposed harassment and sexualised behaviour in the television and film industries.

The Sun claimed yesterday that Netflix employees have also been advised not to request colleagues’ phone numbers or ask them out on a date more than once if the answer was no.

The advice states that staff should shout “stop, don’t do that again” if a colleague has been inappropriate, and report co-workers who subject them to unwanted attention.

Touching colleagues for a