John Qualen was a Canadian actor of Norwegian descent, who was usually cast in ethnic roles, mostly for comic effect. He appeared as Burger, a Norwegian Resistance member in Casablanca, convicted murderer Earl Williams in His Girl Friday, and a Mediterranean fisherman in The High and the Mighty. But he's best known as a member of the John Ford Stock Company, appearing in The Grapes of Wrath (as Muley), The Searchers (as Mr. Jorgenson, by golly), Two Rode Together (as Ole Knudsen), and The Man Who Shot Liberty Vallance (as Peter Ericson).
Frank Faylen got his big break as a male nurse in the alcoholic ward in The Lost Weekend, an as Ernie the cab driver in It's A Wonderful Life. He was also in Sergeant York, Yankee Doodle Dandy, Blood on the Moon, Whispering Smith, an Gunfight at the OK Corral. In the '50s and '60s, he played in several TV shows, most notably as Herbert Gillis on The Many Loves of Dobie Gillis.
Lee J. Cobb was a fine actor, in so many good performances in On The Waterfront, 12 Angry Men, Man of the West, Lawman (1971), and The Exocist, as well as playing Willie Loman on stage and on TV in Death of a Salesman, and Judge Henry Garth on the first 4 seasons of The Virginian.
David Carradine was the oldest son of actor John Carradine, best known for the role of Kwai Chang Caine, the half Chinese, half Caucasian Shaolin monk, on the TV series Kung Fu, and later playing descendants of Kwai Chang Caine in various Kung Fu spin-offs. He later went on to play in movies like Death Race 2000, Gray Lady Down, The Long Riders (as Cole Younger), and Kill Bill: Volume I and II. He also took over the hosting job of the History Channel's Wild West Tech from his brother Keith. He had a history of drug and alcohol related arrests, and I won't go into the details of his death, except to say that the circumstances were bizzare. He was buried in Forest Lawn Memorial Park in a bamboo casket.
If you watched TV in the late 1960s through the '70s, you couldn't look at James McArthur without thinking "Book 'em, Dano!" McArthur played Det. Danny Williams on Hawaii Five-O in 259 of the 284 episodes from 1968-1979. He made his film and TV debut on a TV play in 1955, and went on to appear in several TV shows, including Bonanza, Wagon Train, Combat, The Virginian, and Branded. He reprised his roll of Danny Williams, then Gov. of Hawaii, in and unsold pilot for a Hawaii Five-O reboot in 1997, and retired from acting in 1998.