Skip to content
What's After the Movie?
Mystery thriller

The President’s Mistress (1978): Cast & Plot

The President’s Mistress (1978) movie poster

The President’s Mistress is a 1978 mystery thriller directed by John Llewellyn Moxey, starring Karen Grassle as Donna Morton, Beau Bridges and Susan Blanchard. It runs 1 hour 23 minutes.

Loading streaming availability…
The President’s Mistress (1978) movie poster
Released
Runtime
1h 23m (83 min)
Genres
Mystery , Thriller , Drama
Original language
English
After the credits
No No extra scene
The story

What Is The President’s Mistress About?

The premise of The President’s Mistress without spoilers. The whole story is in the plot summary further down.

A lethal mix of death, deceit and sexual scandal erupts at the highest level of power. When a government courier learns that his slain sister had been the president’s secret mistress and a Soviet operative, he is thrust into a perilous cover‑up, racing against shadowy forces to expose the truth before the conspiracy destroys him.

The President’s Mistress Themes & Keywords

· 9 tags
  • the white house washington d.c.
  • russian
  • hit and run
  • secret service
  • death of sister
  • murder
  • mistress
  • washington d.c.
  • based on novel
Loading streaming availability…
Cast & crew

The President’s Mistress Cast & Characters

Karen Grassle leads the cast as Donna Morton, with Beau Bridges as Ben Morton and Susan Blanchard as Margaret 'Mugsy' Evans. Directed by John Llewellyn Moxey; 30 actors are credited in all.

Also Starring in The President’s Mistress

· 26 more
Show all 30 cast members
From the director

More from John Llewellyn Moxey

More films directed by John Llewellyn Moxey: Lady Mobster, Through Naked Eyes, The Cradle Will Fall and I, Desire.

Full filmography
Plot

The President’s Mistress Plot Summary

What happens in The President’s Mistress from start to finish, spoilers included, with a timeline of 12 key events. The opening is below; the full summary is a 2-minute read.

Spoilers ahead

Donna Morton, Karen Grassle, has been carrying on a clandestine affair for months with the President, meeting him in a Washington, D.C. safe house and always being picked up by a Secret Service driver. The arrangement is tense and covert, with the constant undercurrent of risk.

In Moscow, a US agent inside the Kremlin uncovers a secret document that identifies Donna Morton as a KGB asset sent to spy on the president. This highly sensitive document is whisked back to Washington, where it falls into the hands of the CSA, which begins to monitor Donna and scrutinize every move she makes. The discovery sets off a chain of events that draws the CIA-like organization deeper into a dangerous game of espionage and political peril.

Full summary

The whole story of The President’s Mistress, scene by scene

Read the full summary
Quiz

How Well Do You Know The President’s Mistress?

10 questions about the story, each with a hint if you get stuck. Pick an answer to see whether you were right.

Question 1 of 10

  1. Question 1: not answered
  2. Question 2: not answered
  3. Question 3: not answered
  4. Question 4: not answered
  5. Question 5: not answered
  6. Question 6: not answered
  7. Question 7: not answered
  8. Question 8: not answered
  9. Question 9: not answered
  10. Question 10: not answered

Which actress portrays Donna Morton in the film?

Seen The President’s Mistress?

FAQ

The President’s Mistress FAQ: Cast, Runtime & Release Date

Runtime, release date, director, cast and post-credit scenes of The President’s Mistress, each answered in a sentence.

How long is The President’s Mistress?

The President’s Mistress runs 1 hour 23 minutes (83 minutes).

When was The President’s Mistress released?

The President’s Mistress was released on February 10, 1978.

Who directed The President’s Mistress?

The President’s Mistress was directed by John Llewellyn Moxey.

More films by John Llewellyn Moxey

Who is in the cast of The President’s Mistress?

The President’s Mistress stars Karen Grassle as Donna Morton, Beau Bridges as Ben Morton and Susan Blanchard as Margaret 'Mugsy' Evans, among 30 credited actors.

Does The President’s Mistress have a post-credit scene?

No. The President’s Mistress has no extra scene during or after the credits.

Coming soon to your phone

The Plot Explained Movie Summary App

From blockbusters to hidden gems: plot summaries, endings explained and timelines on your phone. Save your favorites and never miss a twist again.

Be the first to know when it launches. Your email stays private, always. Learn more about the app