Tamsin Margaret Mary Greig is a talented English actress, narrator, and comedian who has made a significant impact in the entertainment industry. She has played a wide range of roles throughout her career, including Fran Katzenjammer in the popular Channel 4 sitcom Black Books, Dr. Caroline Todd in the critically acclaimed Channel 4 sitcom Green Wing, Beverly Lincoln in the British-American sitcom Episodes, and Jackie Goodman in the Channel 4 sitcom Friday Night Dinner.
In addition to her television work, Greig has also appeared in various other projects, such as Alice Chenery in the BBC One comedy-drama series Love Soup, Debbie Aldridge in the BBC Radio 4 soap opera The Archers, Miss Bates in the 2009 BBC version of Jane Austen's Emma, and Beth Hardiment in the 2010 film version of Tamara Drewe. Furthermore, in 2020, Greig starred as Anne Trenchard in Julian Fellowes' ITV series Belgravia.
As a stage actress, Greig has received widespread acclaim for her performances. She won a Laurence Olivier Award for Best Actress in 2007 for her role in "Much Ado About Nothing" and was nominated again in 2011 and 2015 for her roles in "The Little Dog Laughed" and "Women on the Verge of a Nervous Breakdown".