INMATE

Robert Downey Jr., actor

THE CRIME

After some drug-related arrests, violated a court order to refrain from getting high

THE TIME

180 days; began serving in Dec. 1997

FACILITY

Los Angeles County Jail

UPSIDES

Phone; TV; two hot meals daily such as chipped beef on toast

DOWNSIDES

One hour for visitors, three weekly for exercise; movies can’t have sex or violence

FAMOUS ALUMS

O.J. Simpson, while on trial

INMATE

Heidi Fleiss, Hollywood madam

THE CRIME

Tax evasion, laundering prostitution profits, conspiring to cover up crimes

THE TIME

37 months; began serving in Feb. 1997

FACILITY

Federal Prison Camp, Dublin, Calif.

UPSIDES

GED courses, arts and crafts, personal radios, aerobics

DOWNSIDES

Mechanical work, landscaping, food-serving, blue prison uniforms

FAMOUS ALUMS

Michael Milken, Patty Hearst

INMATE

Marion (Surge) Knight, music mogul

THE CRIME

Violated parole terms of 1992 assault case and 1994 weapons-trafficking conviction

THE TIME

Nine years, six months; began serving in Oct. 1996

FACILITY

The California Men’s Colony, San Luis Obispo

UPSIDES

Softball, tennis, track; vocational programs; priests on premises

DOWNSIDES

Allowed only six cubic feet of personal material; must keep own cell, toilet clean

FAMOUS ALUMS

Timothy Leary, Christian Brando, Ike Turner

INMATE

Christian Slater, actor

THE CRIME

Sentenced for beating girlfriend after he told cops he’d taken cocaine

THE TIME

90 days; began serving in Jan. 1998

FACILITY

La Verne City Jail, 30 miles east of Los Angeles

UPSIDES

Can wear own clothing, eat microwavable food, work out, use a laptop

DOWNSIDES

Work includes mopping floors, preparing meals, washing police cars

FAMOUS ALUMS

None