Peter O'Toole
— Professor Henry Higgins
Shelagh McLeod
— Clara
Nancy Kerr
— Mrs. Eynsford Hill
Ron White
— Freddie
Margot Kidder
— Eliza Doolittle
John Standing
— Colonel Pickering
Philip Craig
— Bystander
Hugh Webster
— Sarcastic Bystander
Helen Beavis
— Mrs. Pearce
Donald Ewer
— Alfred P. Doolittle
Frances Hyland
— Mrs. Higgins
Donna Goodhand
— Parlormaid