Bernard "Fearless" Fife was a true master of clandestine operations. When it came to undercover police tactics, there was no criminal he couldn't outwit, nor case he couldn't crack. His disguises are the gold standard in Mayberry's offensive arsenal.
- The Bookie Barber - Old woman gambler
- Jailbreak - Prisoner, and wears mustache glasses at the end.
- Opie and the Bully - Hides behind a newspaper with a peep hole in it.
- Mountain Wedding - Bride
- The Bank Job - Mrs. McGruder's cousin
- Andy and the New Mayor - Prisoner under a blanket
- The Shoplifters - Weaver's mannequin
- Divorce, Mountain Style - East to West horseman
- A Deal Is a Deal - Doctor Pendike
- Barney's Sidecar - Hides behind bush attached to sidecar motorcycle