Walter Matthau (King Creole) - Ok, I'm glad he didn't sing in King Creole
https://www.youtube.com/watch?v=6r8xbCc-PwQFrancine York (Tickle Me)
https://www.youtube.com/watch?v=MTk6mzrkL74Deborah Walley (Spinout)
https://www.youtube.com/watch?v=Vw54TcryhrIB-Side:
Sometimes In The Darkest HourSome "Co-Stars" who did actually record a single (or two) but no audio clip could be found yet:Jana Lund (Loving You) recorded two songs for Liberty, back in 1957: "Johnny The Dreamer" and "Wishing Well".
https://www.45cat.com/record/f55097Maureen Reagan (Kissin' Cousins), the daughter of US president Ronald Reagan did record two singles in 1968 ("Which Way America / Cohan Medley" & "Guess Who's Happy At Home / Never Let Freedom Die") and entertained the US troops as part of a USO show in 1969 (only
silent footage can be found on YouTube)
https://www.45cat.com/artist/maureen-reaganBarbara Werle (Tickle Me) recorded "Isn't It A Shame" and "Somebody Come And Play" for Decca in 1971.
https://www.discogs.com/release/1272300 ... e-And-Play