thehudson hunter schafer, nicola coughlan, simone ashley, ncuti gatwa, auli'i cravalho, geraldine viswanathan, keke palmer, kofi siriboe, melissa barrera, josh segarra, dev patel, justice smith, broderick hunter, devery jacobs, josh hutcherson as his older brother who's sick of jokes about their respective heights, a writing partner he met while attending columbia, classical and jazz musicians, opera singers, coworkers at a performing arts camp and parents of the kids who attend