- Mr. Whipple in the Charmin toilet paper commercials
- Larry Mondello in "The Apartment" (1960)
- Dr. Gachet in "Lust for Life" (1956)
- Judge Gavery in "Anatomy of a Murder" (1959)
- Grandpa Amos McCoy in "Dennis the Menace" (1959-1963)
- Mr. Duffy in "My Three Sons" (1960-1972)
- Judge Harper in "Perry Mason" (1959-1966)
- Mr. Bannister in "Mary Poppins" (1964)
- Judge Henry Bone in "The Brady Bunch" (1969-1970)
These are just a few of the many memorable roles Bill Erwin played throughout his career. His ability to portray a wide range of characters with humor and empathy made him a popular and beloved actor in Hollywood.