How many actors changed in twilight series?

Answer 1

Only one. Victoria changed form Rachelle Lefevre to Bryce Dallas Howard.

Answer 2

There were several changes in actors throughout the "Twilight" series. One notable example is the character of Victoria, who was played by Rachelle Lefevre in the first two movies and then replaced by Bryce Dallas Howard in the third film, "Eclipse." Additionally, Taylor Lautner was recast as Jacob Black in the second movie, "New Moon," following his character's growth.