as Dr. Christopher Webber
as Cliff Barnes(40 eps)
as Mr. Payton(2 eps)
as Cliff Barnes
as Harlan Richards
as Mr. Zwicki(1 ep)
as Self(1 ep)
as Barone
as Bernie Green(1 ep)
as Alex Ridlin(1 ep)
as William P. Bissell(1 ep)
as Duke Fallon(1 ep)
as Keith Dunn(1 ep)
as Dr. Slade(1 ep)
as Dr. Martin
as Charlie(1 ep)
as Frank Stevens
as Mr. Simpson
as Frank Mahoney
as Willie
as Arthur Strickland
as L. D. Ryan
as Al Bremmer(1 ep)
as Louis Devlin(1 ep)
as Rutherford Lovejoy(1 ep)
as Alex Ericson(1 ep)
as Richard Osbourne(1 ep)
as Buffalo Bill Cody
as Richard Clarion
as Leo Cooney(2 eps)
as Dr. Charles Canton
as Dr. Freeman
as Jack Dennis
as Miles Amory
as Bernie Marr
as Cliff Barnes(357 eps)
as John Surratt
as Don Bartlett(1 ep)
as Merrill Grant
as Dist. Atty. Tom Knight
as James Madison(2 eps)
as Deputy District Attorney Clayburn(1 ep)
as District Attorney(1 ep)
as White
as Larry Kirby #2(172 eps)
as Ansel - Seven-Up
as Ray Fromm(2 eps)
as Professor Lacey(1 ep)
as Teddy Maclay(1 ep)
as Jerry
as Barney
as Harry Jackson
as Jack Wilks(1 ep)
as Acting Student (uncredited)(1 ep)