Mannix ยท S06E17
A Matter of Principle
Summary
A traffic accident uncovers a clueless murder.
Guest stars
- Ruth McDevitt
- Jack Knight
- Alex Gerry
- Elsa Lanchester as Portia Penhaven
- Abe Vigoda as Anton Valine
- Dana Elcar as Skip Seldon
- Dorothy Neumann as Gertrude
- Wayne Heffley as Stakeout Officer (uncredited)
- Ron Nyman as Officer Charlie (uncredited)