"Diff'rent Strokes" star Todd Bridges, already jailed on an attempted murder charge, pleaded innocent to armed robbery in another case involving an alleged confrontation with his car repairman. Bridges entered the plea Tuesday in Los Angeles County Municipal Court and a preliminary hearing was scheduled for March 23. The actor remained in jail without bail on an attempted murder charge filed in another case. The latest charge stems from a Jan. 23 incident in which he allegedly pulled a gun and took his BMW automobile from a repairman without paying for repairs. Bridges, who played Willis Jackson on TV's "Diff'rent Strokes," has pleaded innocent to charges he shot Kenneth Clay five times.