William David Daniels is an American actor, who is best recognized for his television roles, notably as Mark Craig in the drama series St. Elsewhere, for which he won two Primetime Emmy Awards, the voice of K.I.T.T. in the critically acclaimed television series Knight Rider and as George Feeny in the sitcom Boy Meets World, which earned him four People’s Choice Award nominations. He reprised the role in its sequel, Girl Meets World.
Bonnie Bartlett is an American actress. Her career spans over 60 years, with her first major role being on a 1950s daytime drama, Love of Life. She is best known for her role as Ellen Craig on the medical drama series St. Elsewhere.