Just discharged from the Marine Corps, Oscar Kilroy arrives in the small town of Wilton Junction. Befriending the young Bill Fuller, he gets involved in the affairs of the town and hilarity ensues. The mayor of the city, fearing Oscar Kilroy's popularity, schemes to discredit him by entrusting the management of the city dog pound to him. However, against all odds, Oscar Kilroy takes his work to heart at the pound and implements a plan to save the condemned dogs.
| Actor | Role |
|---|---|
 Warren BerlingerOscar Kilroy | Oscar Kilroy |
 Celeste HolmMrs. Fuller | Mrs. Fuller |
 Allyn JoslynMr. Fuller | Mr. Fuller |
 Philip AbbottEd Barrett | Ed Barrett |
 Robert EmhardtThe Mayor | The Mayor |
 Bryan RussellBilly Fuller | Billy Fuller |
 Mike BartonWhitey | Whitey |
 Arthur HunnicuttSeth Turner | Seth Turner |
 James MarcusPete | Pete |
| DDennis RushFreckles | Freckles |
| JJoie RussoPorky | Porky |
 Cheryl MillerGladys Fuller | Gladys Fuller |
 Tom LowellHarvey | Harvey |
 Vaughn Taylorbank president | bank president |
 Don BeddoeCommissioner | Commissioner |
 Chick ChandlerBen Feeney | Ben Feeney |
 Philip CoolidgeFrank | Frank |
| JJess KirkpatrickPoliceman | Policeman |
 Alvy MooreHal Dooley | Hal Dooley |
 Elisabeth Fraserdog buyer | dog buyer |
 Maudie Prickettland lady | land lady |
 Jack OakieJoe Kelsey | Joe Kelsey |
 Joan BlondellRose Kelsey | Rose Kelsey |