Kirsten Person-Ramey
— Mary Proud / Mary's Mother
Adora Dei
— Social Worker 2
Alex Gardener
— Lyle
Robert P. Johnson II
— Bad Auditioner
Avery Johnson
— Elijah Proud
Doug Mills
— Willis
Roudie Augustin
— Tyler
Laura Brooks
— Tiff
Wesley Cook
— Jeff DeCosta
Rushia M. Cooper
— Paula
Amaris D'Mayan-Psaqua
— Mary (age 7)
Darnell Dalton
— Big Rob
Cassidy Daniel
— Auditioner
Anais Shirlyan Davida
— Mary as a baby
Jerry Epps
— Marvin
Annissia Franks
— Rehab Patient
Greg Giles
— Studio Engineer
Felix Harden
— Gary
Cynthia Hart
— Rehab Patient 5
Abbey Healey
— Lola Deloach
Omar Higgins
— Trap Boy / Auditioner
JaCorey Holder
— A.C.'s son
Avia Hudson
— Rehab Patient 2
Kent Igleheart
— Doctor
William Isler
— St. Eyes
Ebony Jackson
— Judge
Elenor Jackson
— Bad Auditoner
Mia Jackson
— Verna
Steve Warren
— Bad Auditoner
Shannon Sope Watson
— AC Wells