Rachel Wilson (young Beth) wore a special contact lens during production to replicate Susan Kelechi Watson (adult Beth)'s mole in her eye.
For the first time, Beth's complete given name is shown to be Bethany, she, upon entering college, shortening it to Beth as an act of protest against her mother.
When Beth gets into the academy she tells her parents that her instructor Ms. Allen told them to dance their best. In real life Phylicia Rashad who plays Beth's mom was born Phylicia Ayers Allen and is the sister to actor and choreographer Debbie Allen.
Justin Hartley and Carl Lumbly both appeared on TV shows that involve DC characters. Justin Hartley appeared on Smallville as Green Arrow/Oliver Queen; while Carl Lumbly appeared on Supergirl as M'yrnn.