The main actors in this film are:
* Klaus Maria Brandauer as Leo Kessler
* Eva Mattes as Marianne
* Hannelore Elsner as Anna Kessler
There are a few other supporting roles played by various actors.
It's important to note that there might be other films with titles similar to "Icarus" made in other countries or languages. If you have any more details about the film you're interested in, please provide them, and I'll try to help you find the information you're looking for.