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