JP Karliak

(Theodore Lindsay "Ted" Templeton Jr./Boss Baby)

Pierce Gagnon

(Timothy Leslie "Tim" Templeton)

Kevin Michael Richardson

(Jimbo)

Eric Bell

(Triplets)

Flula Borg

(Mega Fat CEO Baby)

Alex Cazares

(Staci)

David W. Collins

(Dad)

Hope Levy

(Mom)

David Lodge

(Magnus)