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)

Dennis Farina is an American film and television actor. He is a character actor, often typecast as a mobster or police officer. Farina began his work in show business working for director Michael Mann as a police consultant on Mann's early works. This led to an interest in acting when Mann cast him in a small role in the 1981 film Thief. Farina proceeded to moonlight as an actor in the Chicago theater scene before Mann chose him for his Crime Story series...(Wikipedia)

Karl Malden has 64 credits at Criticker, including: On the Waterfront, A Streetcar Named Desire, Patton, I Confess and Birdman of Alcatraz

Raymond Burr has 86 credits at Criticker, including: Rear Window, Airplane II: The Sequel, A Place in the Sun, Godzilla, King of the Monsters! and Raw Deal