You Never Can Tell 1951

Synopsis:

Ex-police/army dog King inherits a fortune from an eccentric millionaire. But someone poisons him for his fortune. He gets to go back to earth as a human detective to bring his killer to justice and protect the girl who used to look after him.

Directed by: Lou Breslow
Written by: Lou Breslow & David Chandler
Runtime: 78 minutes
Tagline: A picture for people who think they've seen EVERYTHING!
Cast:
Dick Powell
Dick Powell
Rex Shepherd 
Peggy Dow
Peggy Dow
Ellen Hathaway 
Joyce Holden
Joyce Holden
Goldie Harvey 
Charles Drake
Charles Drake
Perry Collins 
Albert Sharpe
Albert Sharpe
Grandpa Hathaway 
Lou Polan
Lou Polan
Sergeant Novak