- Country: UK
- Genres: Comedy
- Release: 1948-03-22
- Director: Val Guest
- Writers: Richmal Crompton , Val Guest
- Language: English
- Stars: John Powe , Muriel Aked , Hugh Cross , Kathleen Stuart , Garry Marsh , Jane Welsh , William Graham , Brian Weske , James Crabbe , Brian Roper
- Runtime: 92 min
- Awards: N/A
- AKA: Just William's Luck , A Boa Sorte de Guilherme (Brazil) , Bill som detektiv (Sweden) , Just William's Luck (United Kingdom)
- Plot: William and "the Nites of the Square Table" haunt a house - the plan is complicated by fur rustlers.
- IMDB:tt0040503
Just William’s Luck Cast · · · ALL
Val Guest
Director
William Graham
William Brown
Garry Marsh
Mr. Brown
Jane Welsh
Mrs. Mary Brown
Hugh Cross
Robert Brown
Kathleen Stuart
Ethel Brown
Muriel Aked
Emily
Patricia Cutts
Secretary
Leslie Bradley
The Boss
Michael Balfour
Tonks
A.E. Matthews
The Tramp
Brian Roper
Ginger
Brian Weske
Henry
James Crabbe
Douglas
Joan Hickson
Mrs. Lane
Ivan Hyde
Hubert Lane
Audrey Manning
Violet Elizabeth
John Powe
The Glazier
Michael Medwin
Spiv
Jack Raine
Police Sergeant