WILLOUGHBY ADAMS - 16, a well-behaved, likeable boy.
AUNT HESTER, 63, AUNT LOUISE, 61, AND AUNT OLGA, 59 - Willoughby's maiden aunts, who have given him a "beautiful and sheltered life."
INNER WILLY - Willoughby's "inner self," visible only to Willoughby.
STANLEY CLARK - 16, bashful, but a "regular guy."
MARYBELLE TURNER - 16, the girl next door, plain and completely unexciting.
TRUDY AND JANET MARSHALL - lively, 16 year old twins who do not necessarily look alike.
CAROL MARTIN - 16, the girl whom Willoughby secretly admires.