A tall, blond, ruggedly handsome actor of stage, film and TV, David Rasche may be best remembered by sitcom cultists as the dim-witted but gung ho hero cop of "Sledge Hammer!" (ABC, 1986-88), a likably broad parody of Clint Eastwood's "Dirty Harry", and as Jack Trenton, the crooked financier doing court-ordered hospital community service, from 1992-94 on the NBC's "Nurses".Born in St. Louis but raised in Illinois, Rasche received his theatrical training at Chicago's celebrated Second City. He eventually replaced John Belushi in the company that also included Gilda Radner, Bill Murray and
