Sir Sir Paul McCartney, Ruby Wax, David Walliams, Michelle Heaton, and Hussain Manawer are among the famous faces supporting Samaritans' latest campaign, promoting the charity's 24 hour fundraising push, The Big Listen.
Samaritans is also releasing a campaign video on samaritans.org, and people who get involved will be in with a chance to win signed items from the charity's celebrity supporters.