Not only does he not often express emotions, but also when faced with grief or anger or other extreme emotions, he compartmentalizes his feelings until something triggers them and then they all come gushing out. His inability to express emotions normally stems mainly from the fact that for most of his life, he only ever connected with two people - his sister, Megan, and his surrogate father, Cabe Gallo. His relationship with Megan was very loving and the only friction in it was caused by their different views on her multiple sclerosis. Walter can be selfish and arrogant at times, but at heart is a kind individual who is always willing to help others and lay down his life for them, if need be, especially for his loved ones. Katharine McPhee as Paige Dineen. Her mother had her when she was 17, and wound up going to jail for various kinds of fraud for a few months periodically, so Paige would lie to her friends and say her mom was a saleswoman. Eventually, her mom left. Because of the loss of the love of his life, her father never took her trick-or-treating, he just bought a bag of candy and put it on the front porch with the light off while Paige and he watched "It's the Great Pumpkin, Charlie Brown". At 22, Paige had her son Ralph with her then-boyfriend Drew, but eventually, he left, telling Ralph he was going to see a movie. When Ralph was three, they were evicted, their stuff picked over at the curb, and she walked with him for blocks. She found a diner with a help-wanted sign, used her last two dollars to buy him an ice cream, interviewed, and convinced Nemos to give her an advance. She worked there until she met team Scorpion. She now serves as office manager for the team and helps to "translate" the real world for them, to help them interact with the people they meet. In turn, the team helps her understand her genius son, Ralph. Paige is very kind, caring, and emotional. Not only is she a great mother to Ralph, but also she plays the role of the team's mother, as she takes care of them, makes sure they eat, socialize, and have fun. Though Paige is not one of the geniuses, she manages to fit in on numerous situations. While she is not