Mrs. Doubtfire (1993)

Daniel Hillard is an actor divorced from his ex-wife who loses custody of his three children. Distraught at losing contact with them, he decides to create a remarkable disguise and impersonate a 60-year-old british nanny, 'Mrs. Doubtfire', who gets the job and wins the children's affection. This hit comedy-drama features an outstanding performance by Robin Williams, who creates two different characters that will make you laugh and also move you to tears.