The Royal Wedding Official Guest List

April 25, 2011 — -- Selected Guest List for the Wedding Service at Westminster Abbey

View the Westminster Abbey Seating Chart

The following are all confirmed attendees at the Royal Wedding as of April 23, 2011:

The Prince and Princess of the Asturias

Watch a special "20/20" Thursday at 8 p.m. ET for a behind-the-scenes look at the life that awaits Kate Middleton and join us again at 4 a.m. Friday morning for ABC News' live coverage of the Royal Wedding with Diane Sawyer and Barbara Walters.

Amongst the guests at the Wedding Service are all Heads of Mission in London representing countries with which the United Kingdom has normal diplomatic relations and Her Majesty's Lord Lieutenants for the United Kingdom. These individuals will not be accompanied by their spouses or partners.

Other guests at the Wedding Service, who may be recognizable to television viewers or whom have an official link to Prince William or Miss Middleton include the names below. Please note that this list is not exhaustive of any of the categories of guests – charitable, military, friends or any other category – invited.

All the following individuals have been invited with their spouses or partners if married or in a civil partnership:

Mr. David Allan

David Allan is the Chairman of Mountain Rescue, England and Wales. Prince William has been Patron of the organisation since 2007.

Major Tom Archer-Burton

Major Archer Burton was Prince William and Prince Harry's Commanding Officer in the Household Cavalry.

Mr. Charlie Mayhew

Charlie Mayhew is Chief Executive of the Conservation Charity, Tusk Trust. Prince William and Prince Harry visited Tusk-funded projects in Botswana last year.

Mrs. Alison Moore-Gwyn

Alison Moore Gwyn is Chief Executive of Fields in Trust. In 2010, Prince William became Patron of The Queen Elizabeth II Fields.

Mr. Seyi (pronounced Shay) Obakin

Seyi Obakin is Chief Executive of Centrepoint. Centrepoint became Prince William's first Patronage in 2005. His mother, Diana, Princess of Wales was also Patron of the Charity.