Erik Andersson
Lillemor
Director Wiland
Mrs. Wiland
Elofsson
Erik's mother
Bister
Salvation Army soldier
Birgit
Jenny Tegenstedt
Prof. Benatsky
Wiland's janitor
Filipsson
Pant-Johan
Erik, a poor inventor meets the clerk Lillemor and fall in love. Erik's becomes invention is ready for the market. He contacts a director who might be interested. Erik is attracted almost immediately by the director's wife.