Norris Dewar McWhirter (12 August 192519 April 2004) was a British writer, political activist, co-founder of The Freedom Association, and a television presenter.

Alan Ross McWhirter (12 August 1925 – 27 November 1975) was, with his twin brother, Norris, the cofounder of the 1955 Guinness Book of Records (known since 2000 as Guinness World Records) and a contributor to the television programme Record Breakers.

Julie McWhirter, also known as Julie Dees and Julie McWhirter-Dees, is a retired American voice actress and impressionist best known for her work as Jeannie in the animated version of Jeannie, Bubbles in Jabberjaw and Baby Smurf and Sassette in The Smurfs.