He tipped me off to this and I only now "found" his tip because, well, let's just say it was a clerical oversight.
At any rate, according to Comics Continuum, Henry Rollins is on deck for the voice of Robotman when the Doom patrol appears on Batman: the Brave and the Bold.
BATMAN: THE BRAVE AND THE BOLD: HENRY ROLLINS
Henry Rollins is providing the voice of Robotman in the next season of Batman: The Brave and the Bold, The Continuum has learned.
Robotman will appear along with the Doom Patrol in the Cartoon Network series.
Rollins has worked with Warner Bros. Animation before, providing the voice of Johnny Rancid in Teen Titans and Mad Stan in Batman Beyond.
In addition to his musical career, Rollins has numerous acting credits. He most recently has appeared in FX's Sons of Anarchy.Look for more on Batman: The Brave and the Bold soon here in The Continuum.
As for the rest of the cast, looks like we'll have to wait and see. More as I know it. . .