Cuba Gooding Jr.

Ben Carson

Kimberly Elise

Sonya Carson

Aunjanue Ellis-Taylor

Candy

Ele Bardha

Dr. Long

Loren Bass

Yale Professor

Geoffrey Beauchamp

Dr. Freeman

Tajh Bellow

Curtis (Child)

Lesley Bevan

Miss Williamson

Ithamar Enriquez

Jose Gonzalez

Jaishon Fisher

Bennie

Danny Goldring

Professor Burket

Maestro Harrell

Joe (Teen)

Gus Hoffman

Teen Bennie

John Hoogenakker

Psychiatrist

Sam Logan Khaleghi

Chemistry Student

Casey Tutton

Kathy Buchanan

Rick Uecker

Elementary Principal

Guy Van Swearingen

Dr. Hairston

Shawntay Dalon

Young Girl (uncredited)

Alan Wilder

German Obstetrician (uncredited)