There's Lucas Hedges» Danny, a theater kid for whom she develops a fast
crush; academic superstar and best friend Julie (Beanie Feldstein); resident rebel and all - around D - bag Kyle (Timothée Chalamet); and
cool girl Jenna Walton (Odeya Rush), a plastic, single - serving friend who could lend Lady Bird the kind of social capital she'll need to enter Kyle's skinny jeans.