<Ul> <Li> Alec Baldwin as Theodore Templeton / Boss Baby, a baby with the mind of an adult </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> <Li> Steve Buscemi as Francis E. Francis, the CEO of Puppy Co and the former CEO of BabyCorp and Boss Baby's nemesis </Li> <Li> Jimmy Kimmel as Ted Templeton, Janice's husband and Tim's father </Li> <Li> Lisa Kudrow as Janice Templeton, Ted's wife and Tim's mother </Li> <Li> Conrad Vernon as Eugene Francis, Francis E. Francis' brother and minion </Li> <Li> James McGrath as Wizzie, Tim's Gandalf-esque alarm clock </Li> <Li> David Soren as Jimbo </Li> <Li> Nina Zoe Bakshi as Tim's Daughter, Girl, Little Girl </Li> <Li> Tom McGrath as TV Chef </Li> <Li> Walt Dohrn as Photographer </Li> <Li> James Ryan as Story Bear </Li> <Li> Eric Bell Jr. as Triplets </Li> <Li> ViviAnn Yee as Staci </Li> <Li> Edie Mirman as The Big Boss Baby, Boss Baby's big boss </Li> <Li> James McGrath and James Izzo as Elvis impersonators </Li> </Ul> <Li> Alec Baldwin as Theodore Templeton / Boss Baby, a baby with the mind of an adult </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> <Ul> <Li> Tobey Maguire as Adult Timmy, the narrator </Li> </Ul>

Who voices the older brother in boss baby