Question: What was the name of the 1975 American thriller film directed by and starring Clint Eastwood, co-starring American actor Jack Cassidy?
Sentence (from "The Eiger Sanction (film)"): The film was produced by Robert Daley for Eastwood's Malpaso Company, with Richard D. Zanuck and David Brown as executive producers, and co-starred George Kennedy, Vonetta McGee and Jack Cassidy.
Relevant evidence: Yes