Richard Haydn
as Prof. Oddly (Botany)
S.Z. Sakall
as Prof. Magenbruch
Dana Andrews
as Joe Lilac
Henry Travers
as Prof. Jerome (History)
Gary Cooper
as Prof. Bertram Potts
Barbara Stanwyck
as Katherine 'Sugarpuss' O'Shea
Tully Marshall
as Prof. Robinson (Law)
Dan Duryea
as Duke Pastrami
Oscar Homolka
as Prof. Gurkakoff (Mathematics)
Gene Krupa
as Orchestra leader