<P> Ben wakes up in the hospital and goes to Alex's room, where he sees her with Mark, her fiancé . Mark praises Ben for saving Alex, to which Ben replies she saved him, and leaves the room, heartbroken . Some time after, Mark tells Alex that "I told myself that if you ever lost a part of you (an arm or leg in her dangerous job as a photojournalist), I would still love you ." But now, it's obvious to him that he has lost her heart . </P> <P> Alex tries calling Ben, but he declines her phone calls until he receives pictures of him and Alex on the mountain . This encourages Ben to call Alex . They meet up at a restaurant in Manhattan, where it is revealed that Alex is now a part - time teacher who is uncomfortable flying, and Ben is now working as a consultant in trauma clinics as his frostbitten hands have not recovered enough for him to operate . Ben admits that he did not call her back because he thought she would be married, and Alex responds by saying that she couldn't go through with it and she loved Ben while they were together on the mountain . After leaving the restaurant, Ben admits to Alex that they survived because they fell in love . She dismisses her feelings and reminds him of what he said before on the mountain - that' the heart is just a muscle .' They hug goodbye and as they depart in opposite directions, they feel deep regrets, burst into tears and run back into each other's arms . </P> <Ul> <Li> Idris Elba as Dr. Ben Bass, a surgeon </Li> <Li> Kate Winslet as Alex Martin, a photojournalist </Li> <Li> Dermot Mulroney as Mark, Alex's fiancé </Li> <Li> Beau Bridges as Walter, the pilot of the charter plane </Li> <Li> Raleigh and Austin as Walter's dog, later adopted by Ben </Li> </Ul> <Li> Idris Elba as Dr. Ben Bass, a surgeon </Li>

Who plays in the movie the mountain between us