- John Holland - Butler
- Colin Kenny - Ad Lib at Church (uncredited)
- Bert Stevens - Gentleman (uncredited)
- Frank Baker - Gentleman (uncredited)
- Marjorie Bennett - Cockney with Pipe (uncredited)
- Betty Blythe - Lady at Ball (uncredited)
- Arthur Tovey - Singer (uncredited)
- Marni Nixon - Eliza Doolittle (singing voice) (uncredited)
- Al Bain - Cockney (uncredited)
- William Beckley - Footman (uncredited)
- Lillian Kemble-Cooper - Lady Ambassador (uncredited)
- Henry Daniell - Ambassador (uncredited)
- Brendan Dillon - Leading Man (uncredited)
- Iris Bristol - Flower Girl (uncredited)
- Geoffrey Steele - Taxi Driver (uncredited)
- Charles Fredericks - King George V (uncredited)
- Maurice Dallimore - Selsey Man (uncredited)
- John Alderson - Jamie - Doolittle's crony (uncredited)
- John McLiam - Harry (uncredited)
- John Mitchum - Ad Lib at Church (uncredited)
- Alan Napier - Gentleman Escorting Eliza to the Queen (uncredited)
- Christopher Riordan - Suitor at Ball (uncredited)
- Michael St. Clair - Bartender (uncredited)
- Grady Sutton - Ascot Extra / Guest at Ball (uncredited)
- Stuart Hall - Gentleman (uncredited)
- Sam Harris - Guest at Ball (uncredited)
- George Cukor
- George Bernard Shaw
- Jack L. Warner
- Alexander Courage
- Murray Spivack
- André Previn
- André Previn
Audrey Hepburn hace el papel de Eliza Doolittle.
Rex Harrison hace el papel de Professor Henry Higgins.
Stanley Holloway interpreta a Alfred P. Doolittle en la película.
Wilfrid Hyde-White interpreta a Colonel Hugh Pickering en la película.
Gladys Cooper interpreta a Mrs. Higgins en la película.
Jeremy Brett hace el papel de Freddy Eynsford-Hill.
Theodore Bikel interpreta a Zoltan Karpathy en la película.
Mona Washbourne hace el papel de Mrs. Pearce.
Isobel Elsom hace el papel de Mrs. Eynsford-Hill.
John Holland interpreta a Butler en la película.
Colin Kenny interpreta a Ad Lib at Church (uncredited) en la película.
Bert Stevens hace el papel de Gentleman (uncredited).
Frank Baker interpreta a Gentleman (uncredited) en la película.
Marjorie Bennett interpreta a Cockney with Pipe (uncredited) en la película.
Betty Blythe hace el papel de Lady at Ball (uncredited).
Arthur Tovey interpreta a Singer (uncredited) en la película.
Marni Nixon interpreta a Eliza Doolittle (singing voice) (uncredited) en la película.
Al Bain interpreta a Cockney (uncredited) en la película.
William Beckley interpreta a Footman (uncredited) en la película.
Lillian Kemble-Cooper interpreta a Lady Ambassador (uncredited) en la película.
Henry Daniell hace el papel de Ambassador (uncredited).
Brendan Dillon hace el papel de Leading Man (uncredited).
Iris Bristol hace el papel de Flower Girl (uncredited).
Geoffrey Steele interpreta a Taxi Driver (uncredited) en la película.
Charles Fredericks hace el papel de King George V (uncredited).
Maurice Dallimore hace el papel de Selsey Man (uncredited).
John Alderson interpreta a Jamie - Doolittle's crony (uncredited) en la película.
John McLiam hace el papel de Harry (uncredited).
John Mitchum hace el papel de Ad Lib at Church (uncredited).
Alan Napier hace el papel de Gentleman Escorting Eliza to the Queen (uncredited).
Christopher Riordan hace el papel de Suitor at Ball (uncredited).
Michael St. Clair interpreta a Bartender (uncredited) en la película.
Grady Sutton interpreta a Ascot Extra / Guest at Ball (uncredited) en la película.
Stuart Hall hace el papel de Gentleman (uncredited).
Sam Harris interpreta a Guest at Ball (uncredited) en la película.
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