The old parlour game says any actor can reach Kevin Bacon in six steps. On Flickle's co-star graph — 1,460,591 actors across 895,114 films, connected whenever two of them share a film's top billing — six turns out to be wildly pessimistic. Among famous actors, six degrees is not the rule; it is the catastrophic worst case. The genuinely surprising result is at the other end: you can get from Humphrey Bogart, who died in 1957, to Margot Robbie, who was born in 1990, in three films. Not three films chosen generously. Three films that actually exist, verified in the graph.
Here is the chain, exactly as it sits in our data:
The hero of that chain is not Bogart and it is not Robbie. It is Lauren Bacall, who whistled her way into film history opposite Bogart at nineteen and was still taking roles in Lars von Trier ensembles fifty-nine years later. One woman's working life collapses most of a century into a single hop. Kidman does the rest: her run from the 1990s to the present makes her a reliable on-ramp to nearly anyone currently famous.
Four films to cross seventy years, and every link is a career that refused to stop. Widmark worked from the noir forties deep into the seventies. Alan Alda is the great connector of this chain: a man who was acting before Monroe died and was still landing prestige-film roles — as the insurance lawyer in Spielberg's Bridge of Spies — in his eighties. And Rylance is the modern mirror of the theatre-first career: decades on stage, then a late, dense burst of major films that wired him into the young generation almost overnight. When he sat across from Chalamet in Bones and All, he quietly completed a bridge that starts at Don't Bother to Knock.
There is a pleasing symmetry here: Big Fish literally cast Finney and McGregor as the same man at different ages, and in network terms that is exactly what a bridge actor is — the same node existing in two eras at once. Holland was sixteen when The Impossible came out. Hepburn made Two for the Road forty-five years earlier. Three films.
This one covers the longest span of all: a silent-era clown who started in vaudeville, connected in four moves to a Marvel film released in 2025. Keaton's cameo-heavy final years are what make it possible — Forum came out months before his death — and each subsequent link is an actor whose career poked its head into a new decade just long enough to shake hands with it.
James Dean is the hardest kind of starting point — a star whose entire leading career is three films — so the network does something delightful: it goes back in time. The shortest route from 1955 to Ryan Gosling detours through 1936, because Raymond Massey's H.G. Wells epic connects him to Ralph Richardson, whose own long career reaches forward to a young Anthony Hopkins in 1973. Hopkins then does what Hopkins does, which is appear in everything, including a 2007 legal thriller opposite Gosling. Shortest paths do not care about chronology. They only care about shared call sheets.
Across the famous pool, these short hops are not flukes. Measured on Flickle's co-star graph, 40.52% of famous-actor pairs are exactly two films apart and another 49.91% are three apart — nine pairs in ten need three films or fewer. What makes that possible is a specific kind of actor: not the biggest star, but the longest-serving one. Bacall, Alda, Richardson, Hopkins, Kidman — each one is a wormhole, a single node whose edges span forty or fifty years of release dates. Remove them and the eras drift apart; keep them and Bogart is practically Margot Robbie's neighbour.
If tracing these chains sounds like fun, that is essentially the whole premise of Pathle, our daily game where you build the co-star path yourself. If you would rather work film-first, Flickle hands you a cast one clue at a time, and the Immaculate Grid asks you to find the actor who fits two films at once. The graph is enormous. The distances, it turns out, are tiny.
Published 11 August 2026 · Play the daily movie games