Jigsaw cameos

The one unusual thing about Jigsaw (dir. Fletcher Markle, 1949), a story about investigating a hate group, is a parade of cameos by actors with progressive leanings. Click any image for a larger view:

[Burgess Meredith serves a beer to Myron McCormick.]

[John Garfield loitering.]

[Marlene Dietrich leaving a nightspot.]

[Henry Fonda as a surly waiter serving Doe Avedon and Franchot Tone.]

[Marsha Hunt as a secretary.]

[Leonard Lyons as himself, waving to a departing taxi. He wrote the New York Post column “The Lyons Den” from 1934 to 1974.]

[Everett Sloane delivers liquor to Jean Wallace.]

The IMDb lists the director and the actor Brenda Frazier making appearances as unidentified nightclub patrons. If they are in the movie, I’m unable to recognize them. Maybe that’s the director with Dietrich.