- Professor Higgins
- Eliza Doolittle
- Alfred P. Doolittle
- Colonel Pickering
- Mrs Higgins
- Mrs Pearce
- Freddy Eynsford-Hill
- Eliza Doolittle at certain performances/ensemble
Ensemble
- David Abeles
- John Paul Almon
- Harlan Bengel
- Eric Briarley
- Ronald L. Brown
- Debra Cardona
- Kyle Deschamps
- Bill Dietrich
- Warren Freeman
- Jazmin Gorsline
- Robin Haynes
- Marnee Hollis
- Lisa Kassay
- Adam Laird
- Lainie Munro
- Christine Negherbon
- Cathy Newman
- Georga Osborne
- Lauren Pastorek
- John Scacchetti
- Byron St. Cyr
- Jesse Swimm
- David Tankersley
- Stepanie Van Duynhoven
- Erin Willis
- Lee Zarrett