Born Leonard Jerome Guardino.
| Movie | Dream No Evil | 1970 |
| Episode |
The Rockford Files The Attractive Nuisance |
1978 |
| Episode |
Cannon The Investigator |
1975 |
| Episode |
The Rockford Files Drought at Indianhead River |
1976 |
| Episode |
Longstreet One in the Reality Column |
1971 |
| Episode |
The Six Million Dollar Man Double Trouble |
1976 |
| Episode |
Matlock The Other Woman |
1989 |
| Episode |
Matlock The Country Boy |
1987 |
| Episode |
Columbo Forgotten Lady |
1975 |
| Episode |
Hooperman We'll Always Have Paris |
1988 |
| Episode |
The Pretender Jarod's Honor |
1997 |
| Episode |
Columbo Murder, Smoke and Shadows |
1989 |
| Episode |
Columbo Try and Catch Me |
1977 |
| Episode |
Starsky & Hutch Nightmare |
1976 |
| Episode |
The F.B.I. The Deadly Gift |
1971 |
| Episode |
The Andy Griffith Show The Tape Recorder |
1967 |
| Episode |
Starsky & Hutch Cover Girl (a.k.a. No Deposit, No Return) |
1978 |
| Episode |
Hunter The Last Kill |
1985 |
| Episode |
Starsky & Hutch Quadromania |
1978 |
| Episode |
The Rockford Files The Aaron Ironwood School of Success |
1975 |
| Episode |
Columbo Make Me a Perfect Murder |
1978 |
| Episode |
The Six Million Dollar Man The Cross-Country Kidnap |
1975 |
