Jeremy Clarkson has used his social media platform to add to the appeals regarding the whereabouts of missing TV doctor, Michael Mosley.
The search for the 67-year-old resumed on Friday with local police confirming sniffer dogs are scouring the island as well as drones and helicopters being deployed.
Mosley is believed to have embarked on a coastal walk on Wednesday afternoon before an appeal was published on a local Facebook page saying friends have grown "concerned" as he hadn't been seen since.
A representative for Mosley told Metro on Friday: "We have no further information yet and are sitting tight hoping for some good news."
However, local journalists, including Niki Kitsantonis, have been providing word from the ground on the Greek island, with the aforementioned telling ITV's GMB: "There are fears he might have slipped... The mayor of the island is worried he has perhaps (been) swept away at sea."
Several of Mosley's colleagues, friends and fans have since issued appeals and Clarkson followed suit on Thursday evening.
Taking to Instagram, the Clarkson's Farm star reposted a post from film producer Sam Tromans urging followers to come forward with any information.
"URGENT: MISSING PERSON. Please help find Michael Mosley in Greece. If you have any information, please come forward. Michael was last seen on the Greek island of Symi at 1:30pm. Please share this post and spread the word," the caption read on Clarkson's reposted update.
Several other famous faces have aired their concerns, including Mosley's The One Show colleague Alex Jones.
A regular contributor to the show, Jones opened Thursday's The One Show by saying "lots of us are concerned to hear our friend Michael Mosley has gone missing whilst on holiday in Greece".
"Our thoughts are very much with his wife Clare and the rest of his family at this worrying time. We hope for more positive news."
ITV This Morning presenters Dermot O'Leary and Alison Hammond similarly showed their support and admitted the show's crew were "praying" for the TV doctor.
A friend of the person Mosley was staying with on the island also spoke to British media, explaining her bemusement at the 67-year-old's disappearance.
Speaking to BBC Radio 5 Live’s Drive programme, she said: "It’s a road that sort of heads over the mountainside but it’s been recently widened and there is only one route, so it’s not possible to lose your way."
"So, it is probably a 20-minute walk down the side of the mountain, but it’s not overly rugged or something that would be seen to be too dangerous, it’s something that tourists do every day in the summer.
"I’m having trouble understanding how you could get lost."
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The island's mayor similarly struggled to provide answers when speaking to the press on Thursday.
Eleftherios Papakalodoukas told the BBC that firefighters carrying out the search had informed him that they believed that it was "impossible" for Mosley to be in the same area he was reported missing.
Papakalodoukas added: "It is a very small, controlled area, full of people. So if something happened to him there, we would have found him by now."
The mayor echoed the fears stated by journalist Kitsantonis on Good Morning Britain, suggesting Mosley "followed another path" or had fallen into the sea.
