as Hoyt Taylor
as Prof. Frank Allerton
as Harvey
as Officer Newman
as Wilcox
as Dr. Ellins
as Aratoon Kebabian
as Ben Beigelman
as Zimmer (as Robert Harris)
as Henry Bellamy
as Dobie
as Seth Bushwell
as Commissioner
as Porfear
as Barney Baylies
as Joe Selkin
as Pete Dumond
as Dr. Weisburger
as Dr. Broden
as Jacob Adler
as Druggist (uncredited)
as Markham
as Edmund Lacey
as Aaron Hubble
as Gordon Russell
as Claude Demay
as Jerry Janda
as Harry Bronson
as Marty Webb
as J. P. Malloy
as Lord Beaconsfield (Benjamin Disraeli)
as Grady
as Brenner
as Major Sergie Zoubatoff
as Pogani
as Max Ansell
as Rufus Murdock
as Doctor Perrigan
as Steven Rydell
as Joe Blaney
as Nick Dunbar
as Mason
as Jerry Roberts
as Hastings
as Dr. Stanley Frederickson
as Ben Pitcher
as Fred Myers
as Barney Davis
as Takama
as Dr. Tabor
as Manny Franchette
as Dr. Janos Hradny
as Mark Olé
as Clarence Fox
as Monty Lenton
as Albert Birch
as Lawrence Appleby
as John Hurley
as Bellefontaine
as George C. Piper
as Ben Prowdy
as Morty Lenton
as Uncle Tojar
as Judge Thomas
as Judge F. Xavier Thomas
as Otto Anhalt
as Royal Music Master
as Jake