as Merrill Grant
as White
as Miles Amory
as Bernie Marr
as Ansel - Seven-Up
as Harry Jackson
as L. D. Ryan
as Harlan Richards
as Richard Clarion
as Barone
as Cliff Barnes
as Self
as Barney
as Arthur Strickland
as Frank Stevens
as Frank Mahoney
as Dr. Charles Canton
as John Surratt
as Buffalo Bill Cody
as Jerry
as Dr. Freeman
as Dist. Atty. Tom Knight
as Jack Dennis
as Mr. Simpson
as Willie
as Dr. Martin
as Dr. Christopher Webber
as Al Bremmer
as Don Bartlett
as Acting Student (uncredited)
as Alex Ericson
as Alex Ridlin
as William P. Bissell
as Duke Fallon
as Keith Dunn
as Richard Osbourne
as Mr. Zwicki
as Mr. Payton
as Dr. Slade
as Rutherford Lovejoy
as Ray Fromm
as Teddy Maclay
as Professor Lacey
as Charlie
as Jack Wilks
as Bernie Green
as District Attorney