I thought I would have a chance with Cocoon (1985), but who knew that Wilford Brimley was still alive? Must have been all that oatmeal.
Anyway, America’s sweetheart Brian Dennehy and the spritely Steve Guttenberg are still with us also.
Would you believe he was younger then than Brad Pitt is now?
Diana Serra Cary is still alive at the age of 98. She was a fairly prominent child actress in the silent era as Baby Peggy. Her earliest film, Playmates, was made in 1921.
Here’s another shocker: Abe Vigoda was only 51 when he appeared in The Godfather. Which means he was younger then than Brad Pitt, Johnny Depp, or Tom Cruise are now.
Back to the OP.
Her Circus man came out in 1921.
Its lead is still alive.
No, the real shocker is that it means when Abe Vigoda appeared in The Godfather, he was only three years older than I am now. 
Only James Cromwell is still around from Murder By Death (1976).
What about Dame Maggie Smith?
Richard Narita is also still alive. He played Sidney Wang’s (Peter Seller’s character) son Willy.
My dad once joked that she’s been 80 for about 30 years now.