Young Michael Berg was played by David Kross.
It depends which knife your talking about. The big one with the ringed handleguards Chavez had in the first movie was a modified bowie knife. The rest of his in that movie were just throwing knives....
Actors featured in the movie version of Grease included: John Travolta, Olivia-Newton-John, Di Di Conn, & Stockard Channing.
Jack Nicholson is the actor who plays the werewolf in the 1994 movie Wolf. The movie co-starred Michelle Pfeiffer.
Spencer Tracy, John Wayne, Henry Fonda, Clint Eastwood.