You might be thinking of one of the following adaptations:
* The Ragged Trousered Philanthropists (1975) - This is a television film directed by John Gorrie. The main actors were:
* Brian Cox as Bob
* John Nolan as Owen
* Peter Jeffrey as Mr. Smith
* David Daker as Mr. Potter
* Trevor Peacock as Sammy
* Patrick O'Connell as Harry
* The Ragged Trousered Philanthropists (1999) - This was a mini-series directed by Paul Unwin. The main actors were:
* John Simm as Bob
* Mark Williams as Owen
* Tom Wilkinson as Mr. Smith
* Robert Pugh as Mr. Potter
* Stephen Rea as Sammy
* Robert Carlyle as Harry
Please clarify which adaptation you're interested in and I can provide more information.