- Meryl Streep Donna
- Pierce Brosnan Sam Carmichael
- Colin Firth Harry
- Stellan Skarsgård Bill
- Julie Walters Rosie
- Dominic Cooper Sky
- Amanda Seyfried Sophie
- Christine Baranski Tanya
- Jennifer Leung Hen
- Rachel McDowall Lisa
- Taylor James Stag
- Myra McFadyen Elena