Théâtre dramatique royal
Morman debuted at the Royal Dramatic Theatre in 1791. She performed at the Royal Swedish Opera before she was contracted at the Royal Dramatic Theatre in 1792. She was a valued member of the Royal Dramatic Theatre and had the position to refuse to be a replacement for any actors than the two female stars, Fredrique Löwen and Marie Louise Marcadet. She also performed as a guest actor at the Stenborg Theatre.