if two people are cast in the same mould, they have the same type of character.
Jack is cast in the same mould as his father - intelligent, kind, but stubborn.
be cast in the same mould
To share similar characteristics or behaviors. Primarily heard in UK. I hate the snow, but my kids just love it—they are definitely cast in the same mould.Julia and her mother are cast in the same mould, as they are both so kind and sweet.