Leo Genn: Leo Genn. Actor: Quo Vadis. Leo Genn was the son of a successful jewelry merchant Woolfe (William) Genn and his wife Rachel Asserson. He attended the City of London School as a youth and went on to study law at Cambridge. He received his law degree as a qualified barrister (which in English law tradition is a lawyer who is a specialist in law and who appears in court as...