<P> Mollie takes Mikey to Albert's office to meet him, but when Albert claims he does not want the responsibility of being a father, Mollie realizes he has not changed and she and Mikey ruin several pieces of his furniture before storming out and putting Albert out of their lives for good . Back at home, she receives a call from Vincent's home telling her that he is a disruptive influence and abusive to the staff, and she rushes over to clear up the error, managing to convince them to keep Vincent as he was given a chocolate stash that James had earlier instructed an orderly (who did not speak English) not to let him have more than one a day or it would cause these outbursts . James arrives and he and Mollie make up . Meanwhile, Mikey wanders off on his own, searching for James when he sees a taxi cab outside . After making his way out to the alley, he gets into a car and is towed away while Mollie and James search frantically for him . After spotting him, James and Mollie give chase in his cab and eventually cut off the tow truck, but discover Mikey had gotten out of the car and is now standing in the middle of heavy traffic . James and Mollie run to reach him and take him to safety, where Mikey unofficially asks James to be his father by saying his first word "Da - da". James and Mollie realize that Mikey already sees James as his father, and they decide to give it a chance, kissing passionately while Mikey considers telling them he needs a new diaper, before deciding to wait . </P> <P> Nine months later, Mollie gives birth to her and James' daughter Julie . When Mikey greets his half - sister she "tells" him she had a day he would not believe . </P> <Ul> <Li> John Travolta as James Ubriacco </Li> <Li> Kirstie Alley as Mollie Jensen </Li> <Li> George Segal as Albert </Li> <Li> Olympia Dukakis as Rosie </Li> <Li> Twink Caplan as Rona </Li> <Li> Joy Boushel as Melissa </Li> <Li> Abe Vigoda as Grandpa Vincent Ubriacco </Li> <Li> Christopher Aydon as Michael "Mikey" Jensen (age 2 years) <Ul> <Li> Jacob Haines as Mikey (age 1 year) </Li> <Li> Jaryd Waterhouse as Mikey (age 6 months) </Li> <Li> Jason Schaller as Mikey (fetus - newborn) </Li> </Ul> </Li> </Ul> <Li> John Travolta as James Ubriacco </Li>

Who played the baby in look whos talking