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