Raúl Juliá

Stu Quiñones

Griffin O'Neal

Danny Masters

Desi Arnaz

Mayor Leon Quiñones

Teri Garr

Arlene

Joan Hackett

Aunt Sibyl

Gabriel Dell

Uncle Burke

John P. Ryan

Vernon

E. G. Daily

Sandra

M. Emmet Walsh

Fritz

Jackie Coogan

Magic Shop Owner

Hal Williams

Cop at Mayor's Office

David Clennon

Newspaper Editor

Harry Caesar

Sax Player

Huntz Hall

Turnkey

Harry Anderson

Harry Masters

Carlin Glynn

Treasurer's Secretary

Isabel Cooley

Secretary at Newspaper Office

Tom Signorelli

Mailbox Cop

Margaret Ladd

Reporter

Garry Marshall

Drummer

Doug McGrath

Photographer

Richard Bradford

Sam (uncredited)