Muriel Alexander was born in 1884 in Cape Town, South Africa. She was an actress, known for The Scallywag (1921) and The Skin Game (1921). She died in March 1975 in Johannesburg, South Africa.
She acted in John B. Hymer and Leroy Clemens' play, "Aloma," at the Adelphi Theatre in London, England with Vivienne Osborne, Francis Lister, Clay Clement, Mary Barton, Jack Raine, Allan Jeayes, Margaret Yarde, H. St. Barbe Weste, and W. Cronin Wilson in the cast.