Episodes
1. The Open Web
September 17, 1972
52 min
A gang boss engineers a deceptive getaway.
Guest Stars:
Rip Torn, Maggie Johnson, Eddie Egan, John McLiam, Buddy Joe Hooker
2. Cry Silence
September 24, 1972
52 min
A priest's vows give a murderer a second chance.
Guest Stars:
Stacy Keach, Sr., Fay Spain, Hersha Parady, Anthony Zerbe, Joe Maross
3. The Crimson Halo
October 1, 1972
52 min
A medical practitioner finds that someone is out to get him.
Guest Stars:
Fionnula Flanagan, Burgess Meredith, Joseph Campanella, Carol Ohmart
4. Broken Mirror
October 8, 1972
52 min
A yachting misadventure draws Mannix into its deeps.
Guest Stars:
Ahna Capri, Pepe Serna, Anjanette Comer, Jon Cypher, John Lasell
5. Portrait of a Hero
October 15, 1972
52 min
An aircraft prototype is debuted under mysterious circucmstances.
Guest Stars:
Robert Reed, Lyle Bettger, Dabney Coleman, John Milford, Judith McConnell
6. The Inside Man
October 22, 1972
52 min
Undercover in New Orleans.
Guest Stars:
Robert Mandan, John Colicos, Nancy Kovack, Tom Hallick, Ron Nyman
7. To Kill a Memory
October 29, 1972
52 min
A amnesiac veteran is up to his stripes in mischief.
Guest Stars:
Pamela Susan Shoop, Ford Rainey, Martin Sheen, John Vernon, Dick Ziker
8. The Upside Down Penny
November 5, 1972
52 min
A stamp collection goes missing, and a starving artist gets rich.
Guest Stars:
Ike Eisenmann, Vaughn Taylor, Stanley Kamel, Joseph V. Perry, Frank Marth
9. One Step to Midnight
November 12, 1972
52 min
Return of a gang boss with indeterminate friends and enemies.
Guest Stars:
Christopher Connelly, Harold Gould, Paul Lambert, Belinda Montgomery, Alan Caillou
10. Harvest of Death
November 19, 1972
52 min
Rivalry amongst the orange trees.
Guest Stars:
Joe De Santis, Jeanette Nolan, Linda Marsh, Paul Mantee, Henry Beckman
11. A Puzzle for One
November 26, 1972
52 min
A colleague's murder leaves an open casebook.
Guest Stars:
Carol Wayne, Jason Wingreen, Nadyne Turney, Susan Bay Nimoy, Jack Ging
12. Lost Sunday
December 3, 1972
52 min
Exposing a cover-up puts Mannix in hot water.
Guest Stars:
Luana Anders, Tom Reese, Harry Townes, Kevin Hagen
13. See No Evil
December 10, 1972
52 min
A trail of evidence indicates a friend of Peggy's.
Guest Stars:
Felton Perry, Arnold F. Turner, Doreen Lang, Mark Stewart, Norman Alden
14. Light and Shadow
December 17, 1972
52 min
A murder investigation bumps up against hard evidence.
Guest Stars:
Cesare Danova, Ron Nyman, Christine Belford, Murray Matheson, John Hillerman
15. A Game of Shadows
December 24, 1972
52 min
A murder suspect is a man with no identity.
Guest Stars:
Meg Foster, William Gray Espy, Paul Stevens, Natalie Schafer, Jack Ging
16. The Man Who Wasn't There
January 7, 1973
52 min
A boastful nemesis takes Peggy for bait.
Guest Stars:
Robert Middleton, Stuart Nisbet, Arthur Batanides, Clu Gulager, Tom Hallick
17. A Matter of Principle
January 14, 1973
52 min
A traffic accident uncovers a clueless murder.
Guest Stars:
Ruth McDevitt, Jack Knight, Alex Gerry, Elsa Lanchester, Abe Vigoda
18. Out of the Night
January 21, 1973
52 min
Peggy goes undercover to nab a dope ring.
Guest Stars:
Joyce Van Patten, Cay Forester, Leonard Stone, Oscar Beregi Jr., Lilyan Chauvin
19. Carol Lockwood, Past Tense
January 28, 1973
52 min
A ship lost at sea leaves a survivor and a curious tale.
Guest Stars:
Joanna Miles, Ron Nyman, Jane Merrow, Mark Tapscott, Curt Lowens
20. The Faces of Murder
February 4, 1973
52 min
Conflicting confessions have to be sifted.
Guest Stars:
Susan Strasberg, Frank Maxwell, Fred Sadoff, William Traylor, Ron Nyman
21. Search for a Whisper
February 18, 1973
52 min
A political candidate asks to be vetted.
Guest Stars:
Pat Renella, Milton Selzer, Eddie Firestone, Karen Carlson, William Shatner
22. To Quote a Dead Man
February 25, 1973
52 min
Someone is trying to kill a bum for his ""coat of many colors.""
Guest Stars:
David Wayne, Peggy Rea, Lloyd Bochner, Barbara Babcock, Eddie Quillan
23. A Problem of Innocence
March 4, 1973
52 min
An ex-con's daughter is suspected in murders surrounding the unrecovered loot.
Guest Stars:
John Randolph, Bing Russell, Anne Archer, Fritz Weaver, Joe E. Tata
