Perhaps you are thinking of the 1991 film "The Commitments," which is a musical comedy-drama based on the novel of the same name by Roddy Doyle.
If you're interested in the cast of "The Commitments" (1991), here are some of the key actors:
* Robert Arkins as Deco
* Andrew Strong as "Outlaw"
* Bronagh Gallagher as "Natalie"
* Felicity Huffman as "Sharon"
* Angeline Ball as "Bernie"
* Maria Doyle Kennedy as "Jimmy's Mum"
* Colm Meaney as "Jimmy"
* Johnny Murphy as "Dean"
* Michael Aherne as "Jimmy's Dad"
If you have another film title in mind, please let me know and I can assist you with the cast information!