Robert H. Harris

as Jacob Adler

as Dr. Weisburger

as Brenner

as Wilcox

as Ben Beigelman

as Dr. Ellins

as Uncle Tojar

as Henry Bellamy

as J. P. Malloy

as Hastings

as Dobie

as Daniel Maitland

as Hoyt Taylor

as Dr. Broden

as Nick Dunbar

as Steven Rydell

as Dr. Janos Hradny

as Otto Anhalt

as Officer Newman

as Aratoon Kebabian

as Officer Newman

as Doctor Perrigan

as Commissioner

as Judge Thomas

as Harvey

as Joe Selkin

as Jerry Roberts

as Joe Blaney

as The Detective

as Mason

as Pete Dumond

as Royal Music Master

as Seth Bushwell

as Markham

as Prof. Frank Allerton

as Edmund Lacey

as Manny Franchette

as Barney Baylies

as Zimmer (as Robert Harris)

as Mr. Hargreaves

as Rufus Murdock

as Porfear

as Barney Davis

as Clarence Fox

as Ben Pitcher

as Grady

as Lord Beaconsfield (Benjamin Disraeli)

as Jake

as Major Sergie Zoubatoff

as Druggist (uncredited)