The star of Downton Abbey and Twenty Twelve, Hugh Bonneville, took time out of filming in India to visit villages with the sanitation charity WaterAid. Bonneville, who is a WaterAid ambassador, visited one community where the charity developed toilets and a clean water supply and another that is yet to benefit from the charity's help. "Clean water, safe toilets and good hygiene really can transform lives," he said.
Actor Martin Freeman was among the celebrities to attend a fundraising dinner in support of the North London Hospice. Freeman, who is a patron of the hospice, was joined by the presenter Lisa Tarbuck, the writer and producer Steven Moffat and the actor Una Stubbs at the Royal College of Surgeons in central London. The event raised about £76,000 for the charity.
The Coronation Street actor Antony Cotton has been named as the first celebrity ambassador of the armed forces charity SSAFA. Cotton said he had accepted the role because some of his closest friends were serving in the forces and had seen first-hand the work the charity does.
The EastEnders actor June Brown is among the famous faces to have given their support to a campaign by the equine charity The Brooke. The #HorseHeroes campaign raises awareness of the plight of working equines around the world, and has also been backed by the TV presenter Wendy Turner Webster and the Downton Abbey actor Michael Fox.
Jason Flemyng attended an event in east London put on by the Rehabilitation for Addicted Prisoners Trust to celebrate the achievements of local people who have been helped with their addiction to drugs and alcohol. The star of Lock, Stock and Two Smoking Barrels, whose father had problems with alcohol, said he was aware of the stigma of the addiction. "These projects are brilliant - not only because of the incredible transformation they can bring for those struggling with drink or drugs, but because of the support and understanding they give to families," he said.
The property presenter Phil Spencer is calling on people to take part in Woolly Hat Day 2016, which raises funds for the homelessness charity St Mungo's Broadway. People can support the campaign, which takes place on 29 January, in various ways, including wearing a hat on the day in return for a donation, bidding for one of the hats donated by celebrities for the event or baking Woolly Hat Day cupcakes to sell.
The racehorse trainer Michael Scudamore has agreed to become an ambassador for the Midlands Air Ambulance Charity. He said the equestrian world was indebted to the work of the air ambulance. "Over the years we have seen many serious injuries to riders and jockeys who have fallen from their horses, so it is comforting to know we have a wonderful emergency medical service provided by the Midlands Air Ambulance," he said.
The presenter Sue Barker, the actor Anthony Head, the Strictly Come Dancing judge Craig Revel-Horwood and Debbie Sledge from the band Sister Sledge were among the celebrities to attend the Collars & Coats Gala Ball, organised by Battersea Dogs & Cats Home.
The actor Ross Kemp was on hand to open a new drug and alcohol recovery suite run by the rehabilitation charity CRI at Belmarsh prison in south-east London. "In life it can be very easy to fall prey to drugs and alcohol abuse, but not so easy to realise that you have a problem with it," he said.
The Sunderland footballer Duncan Watmore has become an ambassador for the Football Foundation, which develops grass-roots sports facilities with money from the Premier League, the Football Association and the government.
The TV conservationist Iolo Williams gave his backing to #TurtleTuesday, a campaign by the Marine Conservation Society established to raise funds that would be used to tag turtles. "By using satellite tags, we can learn so much more about these amazing animals and help conserve species that have been around since before the age of the dinosaurs," he said. The event took place on 1 December.
TV presenter Gok Wan called on people to "get yer baffies oot" in support of the housing charity Shelter Scotland. Wan was asking people to wear their slippers, or baffies, to work, school or the shops on 4 December and to make donations to the charity.