My Beer") - Rocko A Force of One (1979) - Erwin Lou Grant (1979) - Water Man / Arlo Karp Happy Days (1979, S7 E9: "Joanie Busts Out") - Jack Whitman The French Atlantic Affair (1979, TV Mini-Series) - Jake (uncredited) Angie (1979, S2 E11: "Mary, Mary Marries") Benson (1979–1980) - Bartender / Gus Palmerstown, U.S.A. (1980, S1 E5: "The Black Travelers: II") Alcatraz: The Whole Shocking Story (1980, TV Series) - Holfeld Flo (1980–1981) - Lonnie Castleberry / Bull Murder in Texas (1981, TV film) - Richard 'Racehorse' Haynes Bitter Harvest (1981, TV film) - Lazlo Fog (1981, TV film) - Mr. Carrion Hardcase (1981, TV film) - Paul Morgan The Capture of Grizzly Adams (1982, TV film) - Tom Quigley M*A*S*H (1979–1983, TV Series) - Sergeant Luther Rizzo / The G.I. St. Elsewhere (1982-1983, TV Series) - Dr. Hugh Beale Murder, She Wrote (1984) - Lt. Thibodeau Simon & Simon (1984) - Police Chief Don Potter / Dr. Kyle Stepney - Surgery Police Academy (1984) - Lt. Thaddeus Harris Earthlings (1984, TV Series) - Bobo Runaway (1984) - Chief Police Academy 2: Their First Assignment (1985) - Wedding Guest (uncredited) Rustlers' Rhapsody (1985) - Peter Warning Sign (1985) - Tom Schmidt Short Circuit (1986) - Captain Skroeder Mannequin (1987) - Felix Burglar (1987) - Ray Kirschman Police Academy 4: Citizens on Patrol (1987) - Capt. Thaddeus Harris Hawaiian Dream (1987) - Captain Pierce Police Academy 5: Assignment Miami Beach (1988) - Capt. Thaddeus Harris War and Remembrance (1988, TV Series) - Cmdr. Jim Grigg Police Academy 6: City Under Siege (1989) - Capt. Thaddeus Harris The Gifted One (1989, TV film) - Dr. Winslow Love and Lies (1990, TV film) - Sgt. Halsey Q&A (1990) - Bartender (uncredited) Doublecrossed (1991) - Camp Under Cover (1991, TV Series) - Director Waugh Write to Kill (1991) - Dean Sutton A Mother's Justice (1991, TV film) - Joe Comminger Before the Storm (1991, TV film) - Director Waugh Bed of Lies (1992, TV film) - Zeke Zbranek Dinosaurs (1992, S2 E20: "Nuts to War: Part 2") - Sarge An American Story - The Battle of Athens (1992, TV film) - Tom Cantrell Dead Before Dawn (1993, TV film) - Masterson No Child of Mine (1993, TV film) - Lamar Jenkins Police Academy: Mission to Moscow (1994) - Capt. Thaddeus Harris The Siege at Ruby Ridge (1996, TV film) - Ralph Coulter