Mystery writer Marian Carstairs is hard at work trying to finish her latest novel. Her three children meanwhile are entertaining themselves by trying to solve a murder in their own neighborhood. In between gathering clues, the kids play matchmaker by trying to fix up their widowed mom with the handsome detective investigating the case.
Peggy Ann Garner
as Dinah Carstairs
Randolph Scott
as Lt. Bill Smith
Lynn Bari
as Marian Carstairs
Dean Stockwell
as Archie Carstairs
Connie Marshall
as April Carstairs
James Gleason
as Sgt. O'Hare
Anabel Shaw
as Polly Walker
Barbara Whiting
as Jo-Ella Holbrook
Shepperd Strudwick
as Mr. Wallace Sanford
Marietta Canty
as Cherrington Housekeeper
Pat Flaherty
as Policeman Murphy
Olin Howland
as Luke
