Tom Cruise is paying his respects to his former co-star and “dear friend” Val Kilmer. The actor made an appearance at CinemaCon Thursday in Las Vegas to promote “Mission: Impossible — The Final Reckoning.

Charismatic and versatile, he also won praise for memorable roles as Iceman in 'Top Gun' and Doc Holliday in 'Tombstone,' but his unpredictable behavior ruffled some feathers in Hollywood.

Kilmer also said that there was "very little" to the character of Iceman so he invited his own backstory. "None of us knew at the time what a crazy commercial success the film wou