The couple, who are Goodwill Ambassadors for the United Nations' International Fund for Agricultural Development, appealed to participants at the annual summit for fast financial support for people hit by food scarcity and climate change.
"The poor of this world are not just looking for aid and handouts, they're looking for investment," Idris Elba said.
Sabrina Dhowre Elba highlighted food crises in Somalia, Haiti, Sudan and other countries, focusing on the plight of small-scale farmers without access to the resources they need and yet producing a third of the planet's food.
"We are here at Davos to highlight the people and countries who are not making the headlines as much as my husband," she said, looking at her partner.
