Hacser was a leading actress of the Hungarian stage, performing in works by Shakespeare, Moliere, and George Berrnard Shaw. She acted in film and TV and lent her voice to Hungarian children's projects (both animated and with puppets). In dubbing, she was the Hungarian voice of Joan Sims in the Carry On movies, Lily Tomlin in The Beverly Hillbillies, Kaye Ballard in The Ritz, Mona Washbourne in My Fair Lady, Kathleen Freeman in Dragnet, and Iris Adrian in The Odd Couple.
Muppet dub credits
- all as Miss Piggy
- The Muppet Show
- Muppet-show New Yorkban (The Muppets Take Manhattan)
- Muppet Kincses Sziget (Muppet Treasure Island)
- Muppet-show az űrből (Muppets from Space)