Robert Stack was an American actor. In addition to acting in more than 40 films, he also appeared on the television series The Untouchables and later served as the host of Unsolved Mysteries... (Wikipedia)

Credits include: You've Got Mail, Christmas Vacation, All the President's Men, Serpico and Seconds

Credits include: Titanic, The Invisible Man, The Million Dollar Hotel, The Old Dark House and My Favorite Year

Credits include: Pretty Woman, Rosemary's Baby, Trading Places, His Girl Friday and The Wolf Man

Credits include: Escape from the Planet of the Apes, Sudden Impact, Piranha, The Enforcer and The Way We Were

Credits include: Hi, Mom!, Race with the Devil, Night of Dark Shadows, Dark Shadows and Conquest of the Earth

Credits include: Live and Let Die, Licence to Kill, The Fly, The Enemy Below and ffolkes

Credits include: Children of the Damned, Alice in Wonderland, The Other Side of the Underneath, Viva Knievel! and Adventures of the Queen

Credits include: Fail Safe, What's Up, Doc?, Slaughterhouse-Five, Rock-A-Doodle and Scooby-Doo Meets the Boo Brothers

Credits include: It Came from Outer Space, This Island Earth, Attack of the Crab Monsters, Gilligan's Island and MacArthur

Credits include: A Nightmare on Elm Street 5: The Dream Child, The Incredible Melting Man, By Dawn's Early Light, Beach Red and Alien Zone

Credits include: It's Only Money, The Doll Squad, Curse of the Swamp Creature, Time Travelers and Flood!