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