Princess of Tap

Rudy Vallee

Dick Powell

Nobody I Know (Peter and Gordon)

Sanford and Son

Cedric Hardwick was in "Green Light" with Walter Abel.

Danny Kaye was in "White Christmas" with Dean Jagger.

Raymond Burr

No Down Payment

Dear Heart

Albright, Lola

Pillow Talk

Northwest Stampede Next: Ward Bond

"Reviewing the Situation"--Oliver! (Fagan) Next: Another song--musical or dramatic theme--from an adaptation of a novel

Arthur Kennedy Next: Lydia Bride by Mistake Parnell Exile Express The White Cliffs of Dover

Young, Robert

More Early Cagney Double Feature-- Lady Killer, 1933 & Smart Money, 1930

My Mother's Castle Next: Long

All quiet on the Western front

Jay Dee's Boogie Woogie (Jimmy Dorsey)

Tom Helmore was in "Vertigo" with Henry Jones.

Jeanne Cagney was in "Quicksand" with Barbara Bates.

Julie Christie was in "Shampoo" with Warren Beatty.

6 down and 6 to go

You're correct about Katherine Hepburn being a mentor to Judy Holliday. But in this particular question we're asking about a person who mentored Katharine Hepburn. Your #3 is correct.

Mildred Dunnock was in "Peyton Place" with Betty Field.