- Fred Dryer … Det. Sgt. Rick Hunter
- Stepfanie Kramer … Det. Sgt. Dee Dee McCall (1984-1990)
- Darlanne Fluegel … Off. Joanne Molenski (1990-1991)
- Lauren Lane … Police Sgt. Chris Novak (1991)
- Michael Cavanaugh … Capt. Lester Cain #1 (1984)
- Arthur Rosenberg … Capt. Lester Cain #2 (1984)
- John Amos … Capt. Dolan (1984-1985)
- Bruce Davison … Capt. Wyler (1985-1986)
- Charles Hallahan … Capt. Charles Devane (1986-1991)
- John Shearin … Lt. Ambrose Finn (1985-1988)
- James Whitmore Jr. … Sgt. Bernie Terwilliger (1984-1986)
- Garrett Morris … Sporty James (1986-1989)
- Steve Yager … Football Fanatic Michael (1990-1991)
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