<Li> Miles Bakshi as Timmy Templeton , Boss Baby 's 7 - year - old brother <Ul> <Li> Tobey Maguire as Adult Timmy , the narrator </Li> </Ul> </Li>
<Li> Miles Bakshi as Timmy Templeton , Boss Baby 's 7 - year - old brother <Ul> <Li> Tobey Maguire as Adult Timmy , the narrator </Li> </Ul> </Li>
who voices the older brother in boss baby
who voices the older brother in boss baby
Miles Bakshi Tobey Maguire
Miles Bakshi Tobey Maguire