Dean Martin: King of Cool 2021
as Self (archive footage)
Reveille with Beverly 1943
as John - Mills Brothers (uncredited)
Operator 13 1934
as Medicine Show Singer
Twenty Million Sweethearts 1934
as John Mills
Strictly Dynamite 1934
as John Mills
When Yuba Plays the Rumba on the Tuba 1933
Actor
Dinah 1933
Actor
The Big Broadcast 1932
as John Mills
Credits from TMDB.