Alan Alda as George Plimpton

Lauren Hutton as Kate

Joe Schmidt as Self

Alex Karras as Self

John Gordy as Self

Mike Lucci as Self

Pat Studstill as Self

Bill McPeak as Self

Jim Martin as Self

Jim David as Self

Chuck Knox as Self

John North as Self

Carl Brettschneider as Self

Roger Brown as Self

Lem Barney as Self

Lou Garney as Self

Mike Weger as Self

Karl Sweetan as Self

Ron Kramer as Self

Charles Bradshaw as Self

Tom Vaughn as Self

Bill Malinchak as Self

Roger Shoals as Self

Jerry Rush as Self

Friday Macklam as Self

Kent Falb as Self

Richard Lane as Self

Richard Thompson as Self

Ernest R. Clark as Self

Mel Farr as Self

Nick Eddy as Self

John McCambridge as Self

Bill Cottrell as Self

Denis Moore as Self

Darris McCord as Self

Jerry Zawadzkas as Self

John Henderson as Self

Milt Plum as Self

Tom Watkins as Self

Amos Marsh as Self

Mickey Walker as Self

Rip Collins as Self

Chuck Walton as Self

Garo Yepremian as Self

Wayne Rasmussen as Self

Bruce Maher as Self

David Kopay as Self

Ron Goovert as Self

Jim Gibbons as Self

Ed Flanagan as Self

Ed Flanagan as Self

Larry Hand as Self

Frank Gallagher as Self

Bob Kowalkowski as Self

Paul Naumoff as Self

Randy Winkler as Self

Vincent Lombardi as Self

John Robinson as Self

Frank Gifford as Self

Fred J. Scollay as Man

David Doyle as Oscar

Sugar Ray Robinson as Self

Ann Turkel as Susan

Mike Bersell as Boy (uncredited)

Ernie Harwell as Baseball Announcer (voice) (uncredited)

Roy Scheider as Man (uncredited)