Complex sentence: Langdon's best known role to date is that of Dante from the "Devil May Cry" video game series, in which he performs both the voice and motion capture for Dante in "Devil May Cry 3" and "4".
Split into simpler sentences: Langdon's best known role to date is that of Dante from the "Devil May Cry" video game series. Langdon performs both the voice and motion capture for Dante in "Devil May Cry 3" and "4".