Christopher Plummer
Captain Georg von Trapp
Eleanor Parker
The Baroness
Richard Haydn
Max Detweiler
Charmian Carr
Liesl von Trapp
Heather Menzies
Louisa von Trapp
Nicholas Hammond
Friedrich von Trapp
Duane Chase
Kurt von Trapp
Angela Cartwright
Brigitta von Trapp
Debbie Turner
Marta von Trapp
Kym Karath
Gretl von Trapp
Anna Lee
Sister Margaretta
Portia Nelson
Sister Berthe
Evadne Baker
Sister Bernice
Doris Lloyd
Baroness Ebberfeld
Ada Beth Lee
Sister Catherine (uncredited)
Doreen Tryden
Sister Agatha (uncredited)
Bert Stevens
Party Guest (uncredited)
Gertrude Astor
Party Guest (uncredited)
Frank Baker
Party Guest (uncredited)
Bill Lee
Captain Georg von Trapp (singing voice) (uncredited)
Margery MacKay
Mother Abbess (singing voice) (uncredited)
Leoda Richards
Party Guest
Sam Harris
Party Guest (uncredited)