Given South Africa's troubled history, such wisdom has been hard won: practically everyone has a fascinating, sometimes heartbreaking story to tell.

BBC: Falling in love with Cape Town

His luck is ours, because Redgrave gives a beautifully raw and affecting performance that energizes every minute of this quirky and sometimes heartbreaking meditation on the meaning of family, both across the generations and across the globe.

WSJ: Review: Redgrave is raw, moving in Eisenberg play

"Just being in the classroom and just knowing that I'd been given up on sometimes, that I'm not receiving the work, it was heartbreaking, " he says.

CNN: Unlikely teachers find purpose in the classroom