Series regulars or semi-regulars in 'The Snoop Sisters' from 1970-1982:
- Bert Convy as Lt. Steve Ostrowski (1973-1974)
- Helen Hayes as Ernesta Snoop (1973-1974)
- Lou Antonio as Barney (1973-1974)
- Mildred Natwick as Gwendolyn Snoop Nicholson (1973-1974)
1970-1982 Episode Guide for 'The Snoop Sisters':
(Episodes with dates prior to 1970 aired as reruns.)
Season 1, episode 0
W: Leonard Stern, Hugh Wheeler D: Leonard Stern
With Art Carney (Barney), Paulette Goddard (Norma Treat), Charlie Callas (Charlie), Jill Clayburgh (Mary Nero), Bill Dana (Melvin Kaplan), Ed Flanders (Milo Perkins), Kurt Kasznar (Alexander Scalamande), Edward Platt (Julius Nero), Kent Smith (Warren Packer), Craig Stevens (Charles Corman), Fritz Weaver (Anton de Tourolet), Lawrence Pressman (Lt. Steven Ostrowski), Gloria Strook (Pinky Allen), Iggie Wolfington (Frank).
Helen Hayes and Mildred Natwick star as two quaint sisters who write murder mysteries for fun and profit, but are constantly involved in real-life mysteries as well. Tonight, Ernestine and Gwendolyn Snoop are visited by a young girl who fears for the life of her mother, a retired movie star. The mother dies, and her death seems linked to a scandalous autobiographical manuscript that could give a number of people a motive for murder.
Season 1, episode 1
W: Leonard Stern D: Leonard Horn
With Liam Dunn (Franklin Birdwell), Kaz Garas (Donald Garber), Sam Jaffe (Isaac Waldersack), Geraldine Page (Olivia Cunningham), Neva Patterson (Maureen Larson), Logan Ramsey (Dr. Drucker), Victor Buono (Nathan).
A comedy-drama about two elderly mystery writer sisters who can't resist becoming involved in real mysteries. In the first show, determined to find a friend officially listed as deceased, the Snoop Sisters become implicated in a slaying.
Season 1, episode 2
W: Dorothy Herald D: Boris Sagal
With Walter Pidgeon (Keith Follette), Bernie Casey (Willie Bates), Steve Allen (Himself), Maurice Evans (Judge), Bo Svenson (Chet Marion), Jack Riley (Ollie Robertson), Ji-Tu Cumbuka (Jim Saunders).
Gwen Snoop is suspected of attempted murder when a professional basketball superstar collapses after she gives him an antacid pill.
Season 1, episode 3
W: Robert Forster, Tony Barrett D: Leonard Horn
With Joan Blondell (Madame Mimi), Alice Cooper (Prince), Greg Morris (Lt. Tate), George Maharis (Robert Duware), Cyril Ritchard (Morlock), Lawrence Casey (David Anders).
Rock star Alice Cooper makes his dramatic debut as a witch whom Ernesta encounters while attempting to get information about a group of Satanists.
Season 1, episode 4
W: Tony Barrett, Robert Forster D: David Friedkin
With Vincent Price (Michael Bastion), Tammy Grimes (Amanda Bastion), Roddy McDowall (Lionel Standish), Katherine Helmond (Cissy Prine), Angelo Rossitto (Little Igor), William Devane (David Prine), David Huddleston (Arwin Shanks), Mort Sahl (Lawrence Fortesue).
A faded horror-movie star's film festival in his honor ends tragically when his wife is found dead in the audience. (Last show of the series.)