<Li> Spencer Fox as Dashiell "Dash" Parr, the Parrs' second child, possessing super-speed . </Li> <Li> Eli Fucile and Maeve Andrews as Jack - Jack Parr, the Parrs' infant son . </Li> <Li> Jason Lee as Buddy Pine / Incrediboy / Syndrome, Mr. Incredible's fan - turned - supervillain who has no superpowers but uses his scientific prowess to create enhanced abilities . </Li> <Li> Samuel L. Jackson as Lucius Best / Frozone, Bob's best friend, who can form ice from humidity . </Li>

Who does syndrome's voice in the incredibles