Characters played by Jackie Cooper
Skippy Skinner
Characters played by Robert Coogan
Sooky
Characters played by Mitzi Green
Eloise
Characters played by Jackie Searl
Sidney
Characters played by Willard Robertson
Dr. Herbert Skinner
Characters played by Enid Bennett
Mrs. Ellen Skinner
Characters played by Donald Haines
Harley Nubbins
Characters played by Helen Jerome Eddy
Mrs. Wayne
Characters played by Carl R. Botefuhr
Skippy Skinner (age 3) (scenes deleted)