Nhóc Trùm

Tobey Maguire

Narrator / Older Tim Templeton (voice)

Steve Buscemi

Francis E. Francis (voice)

Alec Baldwin

Theodore Templeton (voice)

Lisa Kudrow

Janice Templeton (voice)

Jimmy Kimmel

Ted Templeton (voice)

Miles Bakshi

Tim Templeton (voice)

Edie Mirman

Big Boss Baby (voice)

Nina Zoe Bakshi

Tim's Daughter / Girl / Little Girl (voice)

James McGrath

Wizzie / Elvis Impersonator (voice)

Brian Hopkins

Airport Security Guard (voice)

ViviAnn Yee

Staci (voice)

Eric Bell Jr.

Triplets (voice)

Joseph Izzo

Elvis Impersonators (voice)

Andrea Montana Knoll

Flight Attendant (voice)

Jules Winter

Crying Boy / Little Boy / Boy (voice)

James Izzo

Elvis impersonator (voice)

Chloe Albrecht

Hazmat Baby (voice)