Mannix
Walk a Double Line
Season 7, Episode 18 · Aired 1974-02-10
Synopsis
Mannix tries to clear a client who is accused of murder in a locked-room mystery where no one else could have killed the victim.
In the series
This episode is part of Mannix (1967–1975) on CBS.
Hard-charging P.I. who takes the punches — detective cool after the gadget phase.
Key cast
- Mike Connors as Joe Mannix
- Gail Fisher as Peggy Fair