Tim / Tim Templeton / Timothy Templeton (50 episodes, 2018-2020)
Boss Baby / Dondre / Worker Baby Chip / Theodore Templeton (43 episodes, 2018-2020)
Dad / Security Baby Phil (29 episodes, 2018-2020)
Mega Fat CEO Baby / Mega Fat Regular Baby / Officer Doug / Young Married Man (27 episodes, 2018-2020)
Staci / Hiccupping Boy / Young Married Woman (21 episodes, 2018-2020)
Jimbo / The Mayor / Buddy from HR / Mr. Buskie / Roosevelt / Buddy From HR / News Reel Narrator / Worker Baby Amal (21 episodes, 2018-2020)
Mom / Worker Baby Peg / Hiccupping Boy / Peg (19 episodes, 2018-2020)
Hendershot / Board Member #2 / Board Member 2 / Delivery Worker / Manager Baby Hendershot / Waiter (18 episodes, 2018-2020)
Triplets / The Triplets (14 episodes, 2018-2020)
Marsha Krinkle / Mrs. Buskie / Baby Simmons / R&D Baby Simmons / R & D Baby Simmons / Security Baby Katja / Board Member #1 / Guitar Baby / Hiccupping Boy / Worker Baby Simmons (12 episodes, 2018-2020)
Gigi (10 episodes, 2018)
Bootsy Calico / Donald (9 episodes, 2018-2020)
Danny Petrosky / Danny (8 episodes, 2018-2020)
Frederic Estes (8 episodes, 2018-2020)
Shover's Mom (7 episodes, 2020)
Ms. Summer / Summer (5 episodes, 2018-2020)
Board Baby Emiliano (4 episodes, 2018-2020)
Bug the Pug / Bug The Pug / East London Prisoner (3 episodes, 2020)
Kel Shammas (3 episodes, 2020)
Sticky Fingers' Mom / Blankie Mom / Officer Debbie (3 episodes, 2018-2020)
Gina & Tina Namashita (3 episodes, 2020)
Police Officer / Server (2 episodes, 2018)
OCB (2 episodes, 2020)
Preeks (2 episodes, 2020)
Midge Marksberry (2 episodes, 2020)
Maria Maria / Maria-Maria (2 episodes, 2020)
Wendi / Wendy McCracken (2 episodes, 2018-2020)
Magnus (1 episode, 2018)
Preeks (1 episode, 2020)
Turtleneck Superstar CEO Baby (1 episode, 2018)
Marisol (1 episode, 2018)
Happy Sedengry (1 episode, 2020)
Multi Multi Task Baby (1 episode, 2020)
Pearl (1 episode, 2020)
Frankie (1 episode, 2020)
Dr. Kevin (1 episode, 2020)
Board Baby Hermano Menor (1 episode, 2020)
Boom Baby (1 episode, 2020)
Marisol (1 episode, 2020)