The Other One (2020)

After Colin Walcott drops dead at his birthday party, his wife Tess, and daughter Cathy, discover he had a long-term mistress, Marilyn, by whom he has daughter, Cat.

Director:

Cast: Ellie White, Lauren Socha, Siobhan Finneran, Rebecca Front, Amit Shah, Christopher Jeffers, Michele Austin, Maddie Rice, Caroline Quentin, Kath Hughes, Simon Greenall, Stephen Tompkinson, James Oates, Kaine Zajaz, Sarah Kendall, David Menkin, Tessie Orange-Turner, Amy Trigg